PERFECT ELBOW PROTECTOR: integrated design of brace and bandage,immobilizes and prevents the elbow from bending while still allowing for some movement,ideal for an elbow fracture, night splint applicable for postoperative recovery of elbow joint,protect your elbow while sleeping or night, good for post-operative recovery.FIRM FIXATION ELBOW SUPPORT: three metal inner plates with strong stability and high flexibility, hard to deform, for better compression and immobilization, helping relieve elbow pain.SOFT AND BREATHABLE: breathable mesh comfortable skin-friendly fabric material that allows your skin to breathe, extremely comfortable to wear,provides a comfortable compression for your elbow.HOOK LOOP FASTENER DESIGN: high viscosity, the fixation effect is much better,Its able to improve muscle weakness of arm, correct and solve upper limb spasticity effectively,recover of fracture and ligament damage of elbow joint.THREE SIZE OPTIONS:SIZE: Height x Length of Forearm x Rear Arm L: 13.38 x 9.84 x 13.38-inch / 34 x 25 x 35 cm M: 11.41 x 9.44 x 12.6-inch / 29 x 24 x 32 cm S: 8.26 x 7.08 x 9-inch / 21 x 18 x 23 cm Adjustable, Fits Right or Left Arm,Please measure the size of your arm first and choose the right size to buy.