... freeze the gel pack before using.Purpose:The bottle cooler helps keep wine or other bottled beverages cool ... we have:CE,SGS,MSDS,FDA,ROHS,REACHHs code:3824909990outer material:nylon+PVCgel inside:CMC (Carboxy MethyI ... gel eye masks,· facial masks,· cool scarf/belts,· bottle coolers,· ice cooling mat· cool pet mat/clothes, ... Cleaning Workshop:3.Our Beautiful Sampleroom: bottle cooler freeze pack