Casters Only 3 For MJM item# 191LA Set of 4 Alarms Perfect solution for patients with VB604 GN Perfect solution for patients with mild positioning needs * Accommodates kyphosis rotation scoliosis * Lumbar support * Fully adjustable in all positions to accommodate most patients * 1 inch thick high density foam pad provides optimal pressure redistribution and patient comfort * Secures directly over wheelchair canes for added strength stability and safety * Folds with the wheelchair * Handy back pocket is great for carrying keys water bottle tissues and more * Cover is made of nylon and is fluid resistant easy to clean & waterproof * Weight capacity: 350lbs * Limited lifetime warranty * Breathable cover is fluid resistant and easy to clean and maintain Blue Heavy 17 Lbs Replacement Caster 3 * Double The Tread Surface For Superior Breaking