Relieve elbow pain and numbness of little fingerSylong Elbow Night Splint is designed specifically for Cubital Tunnel Syndromean (Ulnar nerve injury). It support offers exceptional comfort while gently immobilizing the elbow, Prevent excessive bending of the elbow during rest and sleep.It can effectively relieve pain in the elbow and numbness of the little finger in the morning.Aoso good for tennis elbow, golf elbow, arm fracture recovery, etc. Wraparound supportDesigned with 3 plastic support strips,3 plastic strips surround the arm, which effectively fixes the arm and keeps the arm straight. 3 hook straps -The 3 hook straps correspond to the upper arm, elbow joint and forearm, and are designed to be ergonomic.hook & loop closure - can be easily adjusted with one hand for desired compression and support. Comfortable and breathable - The inner fabric is made of soft foam, which is soft, skin-friendly and breathable; A half-circle sleeve sleeve is designed inside, made of smooth Lycra fabric, which is very comfortable. 2 Sizes- We have 2 sizes to accommodate most size arms. The S/M size fits 10-13 inch biceps. The L fits 13-17 inch biceps. Fits both left and right arm.