• Cheer Louder, Stand Out More – Designed for sports fans and event-goers, this 24oz cup doubles as a whistle—just blow into it to create a loud sound and hype up the crowd!
• Perfect for Small Games & Cycling Safety – Whether you're energizing a local soccer match or making your presence known while biking, this cup is your go-to noise-maker.
• Lightweight, Durable & Easy to Carry – Made from BPA-free plastic, this sturdy cup includes a detachable strap, so you can take it anywhere without hassle.
• Double-Walled Insulation for All-Day Hydration – Keep your drinks cold for up to 24 hours or warm for 12 hours while staying refreshed and ready to cheer.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item.

Warranty: 90 Day Woot Limited Warranty