This product is recommended for the following individuals: ① Those who want to reduce pain and impact when catching the ball. ② For gloves with thinning leather. ③ Those who are injured or have pain in their hands. Color: Black Type of sport: Hardball, Softball, Baseball Handedness/Features: Right-handed, Left-handed - both are compatible. Made from cowhide for baseball gloves, approximately 3mm thick. Contains cushioning material inside. Simply insert it into your glove to reduce impact and alleviate pain when catching the ball. Ideal for those who experience pain when catching, for practice partners during pitching, or for catching in the cold winter. Note: Due to the added thickness, the glove will feel tighter.