... quality neoprene material Waterproof and anti collide Keep cool/warm 4hours OEM design Thickness:2mm~5mm,Fashionable ... fabricThickness :2mm~5mmDurable and reusable,safe and nontoxicKeep cool or warm more than 4 hoursSilkscreen printing or heat ... ,beer,water bottleGreat for products promotion, outdoor activity,bar and hotelCustomers design is welcome Hiking Neoprene Water Cooler,Keep Cool And Warm ...