This product is recommended for the following individuals: ① Those who want to reduce pain and impact when catching a ball. ② For gloves with thinning leather. ③ Those who are injured or have pain in their hands. Color: Blue 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. Ideal for those who experience pain when catching, during pitching practice, or when catching in cold weather during winter. Note: Due to the added thickness, the glove will feel tighter.