champagne gel bottle coolerr 1.Need to precool or preheat 2.Safe and non-toxic 3.OEM is welcome champagne gel bottle cooler cold packs, cooler for beer, wine, juice, can, soft drinks, coca cola, etc: Material Inside: high molecular material, water Outside: PVC, Size100mm*100mm*5mm ~ 1000mm*2000mm*5mmWeightinside net weight is 10g ~ 5000gColorAny color is okDesignOEM / ODM / As per ...