BOB THE COOLER CO - 30oz "The Big Sipper" Heavy Duty Double Wall Vacuum Insulated Tumbler with Straw and Handle, Made of Stainless Steel, Great for Travel, Beach, & More Expansion Tool Power Tools Ideal for competitive XC riders

Ideal for competitive XC riders and enthusiasts alike

or even a multi-week float down some of the wildest whitewater imaginable

The kit is compatible with both Presta and Schrader valves

or a full Milwaukee cordless setup

The 120 TPI ProWALL casing combines lightweight performance with reinforced sidewall protection

BOB THE COOLER CO - 30oz "The Big Sipper" Heavy Duty Double Wall Vacuum Insulated Tumbler with Straw and Handle, Made of Stainless Steel, Great for Travel, Beach, & More Expansion Tool Power Tools Ideal for competitive XC ridersThe 30oz "Big Sipper" Mug is the ultimate road dog. This bad boy keeps your cold drinks brisk and your hot drinks piping for hours with its heavy duty double insulated vacuum chamber. And don't worry about feeling like you're lugging around a bowling ball, because the sleek design perfectly fits in your hand like it was made just for you. So next time you hit up a beach bash or poolside fiesta, make sure to bring your favorite amigo. Bob's 30oz Big