SAFE AND COMFORTABLE MATERIAL The seat belt is made of sandwich mesh, sponge, webbing, herringbone cotton and a safe and reliable buckle. The soft fabric is very breathable and comfortable. Superb stitching, encrypted stitching, stitching with flap. Avoid falling seams. Strong versatility, Extended tape, suitable for different sizes, Uniform force on wheelchair and seat Suitable for both fat and thin. AVOID PRESSURE AND FORWARD SLIDING - Maintains patient safety by holding the patient's upper body in place and providing additional support around the stomach or chest and over the shoulders to prevent bending and sliding forward. Ideal for those who slouch in a wheelchair. REVERSIBLE DESIGN WITH QUICK RELEASE BUCKLES - Our wheelchair seat belt can be placed in front of the patient for self-release use, or behind the patient to prevent unwanted withdrawal. Easy-release buckles allow strap release to be positioned either in the front for self-releasing individuals or in the back for caregiver-assisted release. RETAINERS COMFORTABLE CUSHIONED VEST - Made of high quality mesh fabric and nylon, the built-in padding makes it comfortable enough to wrap around your chest or abdomen. Ultra-soft, breathable foam waistband is comfortable and durable for continuous daily use. PROVIDE TORSO SUPPORT AND KEEP USER STRAIGHT - Constructed with shoulder straps and waist belt, allows user to sit upright and provides superior torso support that puts less strain on his back when in a wheelchair.