Relieve elbow pain and numbness of little fingers. The long elbow night splint is designed specifically for cubital tunnel syndrome (ulnar nerve injury). It offers exceptional comfort while gently immobilizing the elbow, preventing excessive bending during rest and sleep. It can effectively relieve pain in the elbow and numbness of the little finger in the morning. Also suitable for tennis elbow, golfer's elbow, and arm fracture recovery. Wraparound support with 3 plastic support strips that surround the arm to help maintain proper alignment and keep the arm straight. Three hook-and-loop straps provide adjustable compression and support for the upper arm, elbow joint, and forearm, designed for ergonomic fit. Hook-and-loop closure allows for easy one-hand adjustment. Comfortable and breathable design with soft foam interior lining that is skin-friendly and breathable. A half-circle inner sleeve made of smooth Lycra fabric enhances comfort. Available in two sizes to accommodate most arm sizes: - Size S/M fits biceps 1013 inches - Size L fits biceps 1317 inches Suitable for both left and right arms.