Butterfly rubber, Sriver EL, 2 sheets (1 red/2.1, 1 black/2.1) are new. Using a high-elasticity sponge with an exquisite hardness that is "not too hard, not too soft," we have created a rubber with excellent overall balance. It balances destructive power and stability, making it suitable for a wide range of players, from beginners to advanced users. ● Product Number: 05380 ● List Price: ¥3,520 (tax included) x 2 sheets = ¥7,040 ● Sponge Thickness: 2.1mm ● Performance: Speed = 38, Spin = 19, Arc = 19, Sponge Hardness = 35 Shipping is included. However, we will ship via Click Post. P.S. Please be sure to check my profile before bidding, as it contains information about unavailable dates for contact and shipping.