The patented Floatsup Cup paddle board and kayak beverage holder installs easily under existing bungee cords and fits a wide range of can and bottle sizes. SUP or paddle to your heart's content with whatever beverage you choose. It can also be used to stash waterproof speakers, sunscreen, and other items you want easy access to.The Floatsup Cup is protected under patent US 11,794,860B1. We're proud to use recycled materials and stand behind the quality of our product. We appreciate you supporting a small business like ours!