NEO Kyokuhyo 3 Orange Sponge This is often used by Chinese players on their backhand. The color is red, the hardness is 37 degrees, and the thickness is 2.1. I have stock, so if you only need one, please purchase it as is. I also have the following types in stock: ○ Black 37 degrees 2.1 If you purchase multiple items, I will discount the shipping cost from the second item onwards. I can also accommodate different rubbers on sale, so please comment before purchasing. #Kyokuhyo #Tenkyoku