Accessorize your Take Me Everywhere Tumbler with our Tumbler Fanny Packs! Great for storing your everyday necessities hands-free. Pair your tumbler fanny pack with our matching tumbler. Fits around 40 oz. tumbler Water resistance fabric Adjustable Velcro strap - 17" long Pouch dimensions: 3.5" X 6" Versatile + Lightweight Gusset side for pocket expansion Perfect for gym, school, travel.