Feature: Summer outdoor fast cooling, cool summer, cold wound can also be cold beer fruit. Human body logistics cooling and sports injuries, muscle strain, sprains, etc. Biological raw materials refrigeration, safe and non-toxic Usage: Product function: cold storage and preservation, storage and transportation of low-temperature goods, physical cooling of bruises, falls, sprains, etc., which can be used repeatedly Principle Cold Compress On The Skin In The Summer Become Cooler Best choice for caring your summer Travel. Size:8x8cm Material: pvc+ gel Package: 1 x Cooler Bags Note: Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays.