Wonder Care- Rigid Cervical Collar | Plastic Neck Support Brace Adjustable height Collar Neck Support Brace, Wraps Aligns & Stabilizes Vertebrae - Relieves Pain & Pressure in Spine- C103 - L Velcro fasteners provide for optimal adjustability Easy to adjust the double plastic to the required neck height with the help of velcro closure. Double layer design for easy application and toadjust height Provides holes for air ventilation. Ethafoam edge padding provides enhanced cushioning and comfort, prevents skin irritation.