Fashion design Keep cooling Nylon +sponge Good quality, fast delivery guranteed ice bag,portable ice bag,insulated ice bag -Item No.:HB4023 -Material:nylon ,lining:5mm-Size:18*16*20cmIce bag,portable ice bag,microfiber insulated ice bagVarious materials can be choseSize and color can be changed according to clients' requirement9)With PE sponge inside to keep products warm or cool