FEATURES: Waterproof, Insulated, Anti-dirt, Reusable, Soft, lightweight and stretchy, Machine washable, Carrying handle. Suitable for indoor and outdoor use. Each sleeve sew with reinforce double stitching technique, build to last. Elastic material can be very good to protect your cup from damage. Neoprene sleeves will also absorb sweats produce by the cold drink from the wall of the bottle and provides insulation to protect your hands from cold or hot bottles.