Description This breast milk storage cooler clip is made of rubber material and can serve you for a long time. The rubber material ensures its durability and practicality. An ice pack to keep breast milk fresh. Features - Color: Blue - Material: Rubber - Size: About 20.00X10.00X4.00cm/7.86X3.93X1.57in - Lightweight and portable design saves more space for you and is perfect for lunch bags, cooler backpacks, breast milk bags, etc. - After freezing for 10-12 hours, this ice pack can keep breast milk fresh for about 10 hours. - Made of durable rubber material, the cooler clip is practical and convenient and can be used for a long time. - Perfect for working mothers, picnics, long-distance transportation, keep breast milk fresh, cool down. - The cooler clip has a simple design, but it is very practical to use and gives you a good user experience. Packing list: 4 x Cooler Clips