Kitchen grade stainless steel is roost and rust resistant. Quick release bottle mount secures to any roll bar for convenient filling. Available in 32oz and 64oz capacity for short and long rides Keeps your drink cold for up to 8 hours Keep your eyes on the road ahead with quick, one-handed magnetic operation Stay hydrated outside your vehicle when parked at your favorite spot Dust resistant silicone bite valve prevents dust and sand from sticking to the bite-valve Insulated dairy-grade tubing keeps your drink cold on route to you Wide mouth bottle opening makes it easy to add ice to keep your drink cold all-day