LMB Finger-Hugger™ sleeve is made of Lycra™ and polyethylene fabric with pocket under the lacing. This splint can be used to improve combined PIP/DIP extension. The volar pocket accepts either a dynamic or static stay, a malleable stay or both. LMB Finger-Hugger™ is appropriate for thumb IP joint splinting (measure from palmar MP crease to thumbnail. Select size based on the length of the stay. ie position finger into appropriate extension and measure the PIP, PIP & DIP or DIP. This product is latex free.