Wheelchair Sof Top Removable Lap Tray (Fits 16 18 WC) Heating Units so they are 100% waterproof Style:Left Ear so they are 100% waterproof then Standard * Use in dialysis blood collection oncology respiratory critical care and cardiac * Deep recline and Trendelenberg position can only be attained by attendant * 3 positions with infinitely adjustable back * Standard release handle feature for quick back release Wheelchair Width: 16 to 18 * Dimensions: 24 Wide x 20 Deep * Trays serve as foundations on which patients can lean for support they provide feeding surfaces and they act as reminders not to leave the wheelchair * All trays have easy open closures for OSHA compliance and around the chair straps that prevent them from sliding forward * Sof Top tray is easy on sensitive arms and elbows