about that product:1. Wide range of uses: finger stiffness, arthritis, finger pain, malletSmooth fingers, repair rupture of extensor tendon asAnd little knuckle fractures, sprains and dislocations.2. Material: Mainly made of PE material, compact structure,Lightweight, you can adjust the tightness according to your needs, thisThe finger rest plays a good role in protecting the fingersSports items.3. Breathable: Perforated design keeps dry and breathable,Avoid heat, moisture, good applicability,aesthetics.4. Lightweight design allows normal finger movementAnd slight flexion of the thumb for standard tasks such as typing,Drive and cook.5. Easy to put on and take off, including six different typesFinger splint. A great gift for all kinds of sports, such asSuch as tennis, badminton, basketball, volleyball, football, etc.Specification:Material: PESize 0: Fits fingers from 3.8 to 4.2 cm in length.Size 1: Fits 4.2-4.8 cm long fingers.Size 2: Fits fingers between 4.8 cm and 5.3 cm in length.Size 3: Suitable for fingers with a length of 5.3-5.5 cm.Size 4: Fits 5.5-6 cm long fingers.Size 5: Suitable for finger length 6-6.5 cm.The package includes:1 PCS OF Finger Protector"