Description Specs A convenient accessory designed to hold a drink while using the knee walker. Here are some common features of a cup holder for TKW-12 knee walker: Adjustable size: The cup holder is designed to fit most standard drink containers, including bottles, cans, and cups. Easy installation: The cup holder can be easily attached to the frame of the knee walker using a simple mounting bracket or clamp. Secure hold: The cup holder is designed to securely hold the drink container in place, even while the knee walker is in motion or on uneven terrain. Lightweight and durable: The cup holder is typically made from lightweight materials, such as plastic or metal, and is designed to withstand daily use and wear. Versatility: The cup holder can be used on the left or right side of the knee walker, making it convenient for both left and right-handed users. The CH-3500 Cup Holder fits Knee Walkers with 1 1/8” diameter tubing. It adjusts to fit different sized items and swivels inward to fit through tight spaces. Size L: 5.5″Size W: 3.75″Size H: 3.5″Diameter: 2.25 – 3.75″