SLIM DESIGN: Set of 4 slim, reusable hard gel ice packs. Each ice pack measures 3.9" W x 5.7" H x .8" D, making them fit perfectly in the Luxuroo COOL cooler bag (designed especially for moms!) ice pack pockets, or in any cooler, lunch box or insulated bag. LONG-LASTING COLD: Designed to freeze quickly and stay extra cold for hours. Perfect for work, travel, daycare, school, picnics, beach days, and outings! EASY TO USE: Ice packs come filled, sealed and ready to freeze - no need to add water or worry about chemical powders! To clean after use, simply wipe down with a damp cloth or rinse with water and dry. VERSATILE, DURABLE AND LEAKPROOF: Made to keep your breast milk, baby bottles, lunchboxes, coolers, insulated bags and more fresh, worry-free! WE CARE ABOUT YOU AND YOUR FAMILY: 100% Non-toxic, Food-safe, and BPA, PVC, phthalate and lead free to keep you and your little ones healthy! PERFECT FOR WORK OR TRAVEL: TSA-Approved to carry on when frozen. Keep your breast milk, bottles, pump parts and snacks extra cold on-the-go! ON-THE-GO FRIDGE HACK: Bundle with the Luxuroo COOL cooler bag and PumpPartment pump parts box! (Search ASIN B0D1LNML3S (blue) / B0D1LJFTNT (pink) for cooler bag, ASIN B0D1G3DCPR for PumpPartment box, or ASIN B0DKD76DL7 (blue) / B0DKD98YZH (pink) for bundle of all 3 products.) **This product is designed for use with healthy, full-term infants. Please be aware of applicable milk storage guidelines, and consult your pediatrician and/or lactation professional with any questions.** WE SUPPORT YOU: Designed for moms by a mom - to make your life easier while feeding or pumping on-the-go (or in the middle of the night)! MOM HACK: Buy an extra set so you always have some frozen! The Luxuroo COOL cooler bag includes pockets for up to 7 ICE packs. EXCELLENT GIFT: This must-have baby registry item makes a great gift for new mom! QUESTIONS OR CONCERNS? We are here for you! Please contact us and we will make it right! Set of 4 slim, reusable, hardcase gel ice packs designed to fit in the mesh pockets of the Luxuroo COOL cooler bag (or any lunchbox). Keep breast milk, baby bottles, drinks, snacks, baby food, and lunch cold on-the-go with these high quality, long-lasting, durable, leakproof ice packs. QUESTIONS OR CONCERNS? We are here for you! Please contact us and we will make it right!