Vkare Thumb Spica Splint is a versatile solution to help ease the pain associated with mild deQuervain's, arthritis, tendinitis and thumb injuries. The simple, lightweight design provides superior support for the thumb and helps stabilize / immobilize the carpometacarpal joint to promote healing. Provides support for the thumb without restricting use of fingertips. Adjusts to fit any size hand. Reversible design for use on either left or right hand. Constructed of High Quality Soft Flexible neoprene material for superior comfort.