... 1.Meterial: PVC, eco-friendly, non- toxic, non-caustic 2.Reusable 3.keep bottled beverages cool and fresh PVC Cooler Bag ... , FDA, SGS,USP61 Benefits:* Eco-friendly,non- toxic, non-caustic.* Reusable* Used for cooling wine, beer,champagne, milk,and any other ... . Remove water from heat. Immerse gel pack in water for 5 minutes.3) Cold usage: Lay the gel pack flat in freezer for at least ...