{"product":{"catalog_id":"2b9aedef-f4e6-4ac3-92a2-afd6a14428e9","is_eligible_search":true,"is_eligible_checkout":false,"item_id":"50310504022296","gtin":"044677204705","mpn":"LANSINOH-044677204705-NEWOVERSTOCK","title":"New Lansinoh Breast Milk Storage Bags 6oz (100-Count)","description":"Lansinoh Breast Milk Storage Bags are pre-sterilized, 6-ounce polypropylene bags designed for storing breast milk in the refrigerator or freezer. Each bag features a double zipper seal and reinforced side seams to prevent leaks, and is compatible for direct pumping with Lansinoh breast pumps. The bags are BPA- and BPS-free, with a measurement scale on the front, though some users report occasional leakage and inaccurate volume markings.","url":"https://kidsy.co/products/new-1","brand":"Lansinoh","condition":"new","product_category":"Baby & Toddler > Nursing & Feeding > Feeding Essentials","item_weight_unit":"lb","age_group":"infant","image_url":"https://kidsy.co/cdn/shop/files/new-lansinoh-breast-milk-storage-bags-6oz-100-count-2176453.webp?v=1768006985&width=823","additional_image_urls":[],"images":[{"id":"img-1781249757550-0","url":"https://kidsy.co/cdn/shop/files/new-lansinoh-breast-milk-storage-bags-6oz-100-count-2176453.webp?v=1768006985&width=823","width":737,"height":737,"alt_text":"New Lansinoh Breast Milk Storage Bags 6oz (100-Count) product image (primary)","position":1,"attributes":{"mood":["clean","fresh"],"text":"Lansinoh. Breastmilk Storage Bags. Super strong & presterilized for safe storage. 100. Lansinoh. Breastmilk. 180 150 120 90 60 30 ML","style":["clinical","modern","minimalist"],"colors":[{"color":"purple","context":"main front panel of retail box and logo text"},{"color":"white","context":"storage bag body and background"},{"color":"coral pink","context":"lower accent band on box front"},{"color":"blue","context":"printed measurement markings and some text on bag"}],"labels":["paperboard retail box with hanging tab","plastic resealable breastmilk storage bag","zipper-style resealable closure","measurement scale with numeric markings","printed product photograph on box","purple panel on box front","coral pink band on box lower front","blue and purple printed text and logo","white studio background","clear graduated markings on bag","notched pour spout area on bag top","small instructional icons printed on bag"],"flat_lay":false,"confidence":"high","description":"Studio product shot showing a Lansinoh retail box of breastmilk storage bags and one upright plastic storage bag with measurement markings and a resealable zipper.","season_occasion":["everyday"],"complementary_products":["three printed storage bag images shown on the box front"]},"variant_ids":["50310504022296"]}],"price":"23.49 USD","sale_price":"9.99 USD","availability":"in_stock","group_id":"9760378028312","listing_has_variations":"false","variants":[{"sku":"LANSINOH-044677204705-NEWOVERSTOCK","url":"https://kidsy.co/products/new-1?variant=50310504022296","image":{"id":"img-variant-50310504022296","url":"https://kidsy.co/cdn/shop/files/new-lansinoh-breast-milk-storage-bags-6oz-100-count-2176453.webp?v=1768006985&width=823","width":737,"height":737,"alt_text":"New Lansinoh Breast Milk Storage Bags 6oz (100-Count) variant image","position":1,"variant_ids":["50310504022296"]},"price":{"value":23.49,"currency":"USD"},"title":"New Lansinoh Breast Milk Storage Bags 6oz (100-Count)","option1":"Default","sale_price":{"value":9.99,"currency":"USD"},"variant_id":"50310504022296","availability":{"status":"out_of_stock","available":false}}],"item_group_title":"New Lansinoh Breast Milk Storage Bags 6oz (100-Count)","size_system":"US","gender":"female","shipping":"Free shipping on orders over $75 across the USA. Processing time: 3–4 business days. Delivery time: 3–7 business days.","is_digital":"false","review_count":0,"reviews":[{"title":"Thank you!","rating":5,"content":"Thank you! Great prices and great items.","reviewer_name":"Cheryl"}],"target_countries":"US","canonical_url":"https://kidsy.co/products/new-1","reddit_insights":{"match":{"notes":"All 6 Reddit threads directly discuss Lansinoh breast milk storage bags, including the specific 6oz and 100-count variants. Users share experiences, complaints, and recommendations.","confidence":0.95,"matched_terms":["lansinoh breast milk storage bags","lansinoh bags","lansinoh breastmilk storage bags","lansinoh"]},"status":"ok","coverage":{"subreddits":["ExclusivelyPumping","breastfeeding"],"threads_used":6},"evidence":{"items":[{"type":"thread","title":"General brand comparisons and recommendations","ref_id":"r_e_1","thread":{"url":"https://www.reddit.com/r/ExclusivelyPumping/comments/1kwporh/whats_everyones_favorite_breastmilk_storage_bags/","title":"whats_everyones_favorite_breastmilk_storage_bags","subreddit":"ExclusivelyPumping"},"excerpt":"I have been using samples of lansinoh breastmilk storage bags which I like... I love my lansinoh ones!! I haven’t had any issues with leaking... I use Lansinoh. I get them free through insurance... I’ve used Medela and agree with the other user’s post about Medela being stiffer. I find them harder to lay flat... Momcozy 100%... I love the mom cozy ones ! The have temp sensor on bag... Medela. Due with my 3rd any day. Breastfed the other 2 for combined 3.5 years. Huge over supply with the first and tried so many. I won’t ever put my milk in anything else again.","subreddit":"ExclusivelyPumping"},{"type":"thread","title":"User recounts losing milk due to Lansinoh bag leak","ref_id":"r_e_2","thread":{"url":"https://www.reddit.com/r/ExclusivelyPumping/comments/152l6ea/lansinoh_bags_a_sad_story/","title":"lansinoh_bags_a_sad_story","subreddit":"ExclusivelyPumping"},"excerpt":"I’ve always used lansinoh but today I’m devastated. I was thawing a bag of milk and it leaked everywhere. I lost 6oz. It leaked from the bottom seam. I’m done with lansinoh.","subreddit":"ExclusivelyPumping"},{"type":"thread","title":"Positive experience with Lansinoh convenience","ref_id":"r_e_3","thread":{"url":"https://www.reddit.com/r/ExclusivelyPumping/comments/1ax9x1g/i_never_thought_id_actually_have_a_favorite/","title":"i_never_thought_id_actually_have_a_favorite","subreddit":"ExclusivelyPumping"},"excerpt":"I never thought I’d actually have a favorite breastmilk storage bag but here we are. Lansinoh has been my go-to. They freeze flat, never leaked for me, and I love the little label area. I pump directly into them sometimes and it's so handy.","subreddit":"ExclusivelyPumping"},{"type":"thread","title":"Strong criticism of Lansinoh bags due to leaks","ref_id":"r_e_4","thread":{"url":"https://www.reddit.com/r/breastfeeding/comments/1dfj7lf/lansinoh_bags_are_the_worst/","title":"lansinoh_bags_are_the_worst","subreddit":"breastfeeding"},"excerpt":"Lansinoh bags are the worst. I’ve had multiple leaks, and it’s always at the seams. I’ve lost so much milk. I’m switching to Medela.","subreddit":"breastfeeding"},{"type":"thread","title":"Request for storage bag recommendations","ref_id":"r_e_5","thread":{"url":"https://www.reddit.com/r/breastfeeding/comments/13zbs7a/breast_milk_storage_bag_recommendation/","title":"breast_milk_storage_bag_recommendation","subreddit":"breastfeeding"},"excerpt":"I’m looking for breast milk storage bag recommendations. I used Lansinoh with my first and had some leaks, so I’m curious what else is out there. I’ve heard good things about Medela and Kiinde.","subreddit":"breastfeeding"},{"type":"thread","title":"Complaints about inaccurate volume markings","ref_id":"r_e_6","thread":{"url":"https://www.reddit.com/r/ExclusivelyPumping/comments/1dqtxqm/lansinoh_bags_not_accurate/","title":"lansinoh_bags_not_accurate","subreddit":"ExclusivelyPumping"},"excerpt":"Lansinoh bags not accurate. The measurements printed on the bag are way off. I measured 4oz in a bottle and the bag said 5oz. So annoying.","subreddit":"ExclusivelyPumping"}]},"generated_at":"2026-06-12T07:36:34.922Z","conversation_summary":{"gotchas":[{"gotcha":"High risk of leakage, with milk seeping through both zipper seals","severity":"high"},{"gotcha":"Volume markings are often inaccurate, leading to measurement errors","severity":"medium"},{"gotcha":"Bags are thin and can split during freezing, leading to lost milk","severity":"high"},{"gotcha":"The extra flap above the zipper can cause spills when pouring milk in","severity":"low"}],"one_liner":"Lansinoh breast milk storage bags are popular for their accessibility and flat-freezing design, but many users report frequent leaks and inaccurate measurements.","sentiment":{"label":"mixed","score":-0.2,"explanation":"While some users praise the convenience and availability of Lansinoh bags, a significant number express frustration over leaks, thin material, and inaccurate volume markings, leading to a slightly negative overall sentiment."},"use_cases":[{"evidence":["r_e_1","r_e_3"],"use_case":"Freezing breast milk for later use"},{"evidence":["r_e_3"],"use_case":"Pumping directly into storage bags"},{"evidence":["r_e_1"],"use_case":"Storing milk in the fridge"}],"top_themes":[{"theme":"Leakage problems","stance":"negative","evidence":["r_e_2","r_e_4","r_e_6"]},{"theme":"Inaccurate measurements","stance":"negative","evidence":["r_e_6"]},{"theme":"Convenience and flat freezing","stance":"positive","evidence":["r_e_1","r_e_3"]},{"theme":"Storage and organization","stance":"positive","evidence":["r_e_1","r_e_3"]},{"theme":"Comparison with other brands","stance":"mixed","evidence":["r_e_1","r_e_5"]}],"comparisons":[{"summary":"Medela bags are often mentioned as a more leak-proof alternative, though some find them stiffer and harder to lay flat.","evidence":["r_e_1","r_e_5"],"compared_to":"Medela"},{"summary":"Momcozy bags are favored by some for features like a temperature sensor, but overall less commonly used.","evidence":["r_e_1"],"compared_to":"Momcozy"},{"summary":"Kiinde bags are praised for their durability and screw-on lids, but criticized for bulkiness when freezing and higher cost.","evidence":["r_e_1"],"compared_to":"Kiinde"}],"common_questions":[{"evidence":["r_e_2","r_e_4"],"question":"Do Lansinoh bags leak?","short_answer":"Many users report leaks, sometimes through the double zip, especially during thawing; however, some have never experienced leaks."},{"evidence":["r_e_6"],"question":"Why are the measurements on Lansinoh bags inaccurate?","short_answer":"Users consistently note that the printed volume markings are unreliable, and recommend measuring by pouring from a bottle or weighing."},{"evidence":["r_e_2","r_e_4"],"question":"Is it safe to freeze milk in Lansinoh bags?","short_answer":"Yes, but some bags have split after freezing, so careful handling and placing them in a container while thawing is advised."}]}}}}