The Walker Tray with Cup Holders by Drive Medical will fit most manufacturers 2 button walkers. It allows you to carry personal items, safely and securely from room to room. It comes with two convenient cup holders and it will easily fold down when not in use. Create a level, stable surface for work or play wherever you go with our easy-to-clean Walker Tray with two handy drink holders. Allows personal items to be carried from room to room|Contains two cup holders|Fits most manufacturers' 2-button walkers with a tube diameter of 1"-1.25"|Made of easy-to-clean durable plastic|Easy to install|Not compatible with trigger style or bariatric walkers|Size: 16" (W) x 12" (D) x 2" (H); Inside Clamps Distance: 6.625"; Outside Clamps Distance: 7.75"