Adjustable Outdoor Insulated 40oz Bottle Holder ZK3288 Designed for 40oz Bottles: Perfectly fits popular 40oz bottles, offering a snug and secure hold during any activity. Durable Insulated Construction: Keeps your drinks cool or warm longer with high-quality insulation—ideal for outdoor use. Adjustable & Comfortable Strap: Comes with a length-adjustable shoulder strap for hands-free convenience and all-day comfort. Multiple Pockets for Storage: Features extra compartments to hold essentials like keys, cards, or small gear while on the go. Perfect for Outdoor Adventures: Great for hiking, camping, walking, or travel—carry your hydration and essentials effortlessly.