Gel bottle cooler 1. Material: PVC, EVA, TPU, nylon PVC,PP and PP&nonwoven compound material 2. Reusable an easy to carry Gel bottle cooler1. Material: PVC, EVA, TPU, nylon PVC,PP and PP&nonwoven compound material2. Size and gel color: custom size and color available3. Usage: cool drink or wine.4. Your own design for shape and printing is welcome5. Reusable