Come and see our amazing products.This Water Bottle Sleeve is made of high-quality neoprene rubber. It is waterproof, lightweight, dustproof, easy to clean, insulated and foldable. It keeps the temperature of the beverage longer. Neoprene rubber provides excellent insulation with its light weight. The elastic material can well protect the cup from damage. The high-quality buckle design makes drinking water more convenient. There are many specifications, please consult customer service for details. Pls confirm further with us if any query about packing info, inventory status and time schedule.