Durable Polyethylene Construction: Made from 100% BPA-free polyethylene plastic for a healthy lifestyle.,Ergonomic Design: Loop hole allows easy carrying in backpacks or straps, perfect for sports.,Keeps Drinks Cold: Insulated third wall keeps drinks cold for longer periods.,Spray Functionality: Pull top silicone spout and spray mechanism allows misting for relief in heat.,Easy Cleaning: Wide mouth design allows ice cubes to easily fit for cleaning and maintenance.