Description This cooler pack keeps breast milk cold without the of ice. Well made of rubber material for durable and practical use. And it can stay frozening longer than traditional ice. Just toss them into the freezer to re-freeze and use again. Features -Color:Rosy -Material:Rubber -Size:21.00X10.00X5.00cm/8.25X3.93X1.97in -Capacity: 600ml - The material is safe and durable, which is wear resistance and practical for the lasting time use. - You can give it as a gift for any breastfeeding mom, show them your love, concern. - It shape fits breast milk bottles or drinks perfectly. And you can take advantage of double sides to keep anything. - Different from melting ice, you don't have to worry about melting water leaking through your cooler bag. - Compact size, portable and light in weight, easy to put into milk bottle storage bag for cooling the breast milk. The material is safe and durable, which is wear resistance and practical for the lasting time use. You can give it as a gift for any breastfeeding mom, show them your love, concern. It shape fits breast milk bottles or drinks perfectly. And you can take advantage of double sides to keep anything. Different from melting ice, you don't have to worry about melting water leaking through your cooler bag. Compact size, portable and light in weight, easy to put into milk bottle storage bag for cooling the breast milk.