about that product: 1. Versatile applications: finger stiffness, arthritis, finger pain, mallet. Smooth fingers, repair tears of extension tendons as well as minor knuckle fractures, sprains, and dislocations. 2. Material: Primarily composed of PE material, compact structure, lightweight, with adjustable tightness to meet your needs. This finger support effectively protects fingers during sports activities. 3. Breathable: Perforated design ensures dryness and breathability, preventing heat and moisture while providing good applicability and aesthetics. 4. Lightweight design allows for normal finger movement and slight thumb flexion, suitable for standard tasks like typing, driving, and cooking. 5. Easy to wear and remove, includes six different types of finger splints. An excellent gift for various sports, such as tennis, badminton, basketball, volleyball, soccer, etc. Specification: Material: PE Size 0: Fits fingers from 3.8 to 4.2 cm in length. Size 1: Fits fingers from 4.2 to 4.8 cm in length. Size 2: Fits fingers between 4.8 cm and 5.3 cm in length. Size 3: Suitable for fingers measuring 5.3 to 5.5 cm in length. Size 4: Fits fingers from 5.5 to 6 cm in length. Size 5: Suitable for finger lengths between 6 and 6.5 cm. The package includes: 1 PC OF Finger Protector