ADJUSTABLE FIT! Our drink holder is the best on the market- NOW WITH IMPROVED INSIDE GRIP DESIGN-compared to any others! Our cupholder is designed with an IMPROVED Inside Grip that will hold your drink SAFELY and SECURELY! It can hold drinks up to 3.35″ diameter! As long as the container base fits, our drink holder is great, even with larger containers! AMAZING CLAMP! While other cupholders do not clamp tightly to the armrests or are not adjustable to different tube sizes or just don’t feel very sturdy, our cup holder has an industry best clamp for maximum grip and a solid body that attaches securely for your drink. This means you can be confident that your beverage of choice is always within reach and off of the floor. No screwdriver required mount in less than a minute with no tools. Perfect for seniors and elderly. LIGHTWEIGHT AND SECURE! No more frustration with cheap loose fitting clamps or other attachments that easily allow the cup holder to slip. You will appreciate the universal adjustable secure fit of the drink caddy. Always stay hydrated with your favorite beverage by taking it with you wherever you go! A PERFECT GIFT IDEA! Great for any occasion…Christmas, birthday, Mother’s Day, Father’s Day…anytime! MORE FEATURES! Strong ABS plastic lightweight and durable no sharp edges will fit all tubing from 1-1/2 all the way down to 1/8 diameter will expand and hold drinks up to a 3.35″ base. 360 degree adjustment with separate nut and ball joint. Can be positioned in multiple locations!