“Barang dijamin 100% Original” Brand : 729 Friendship Model : Battle Taichi Rubber : Inverted Top Sheet : Sticky Elaster Rubber Warna : Hitam Warna Spon : Biru Sponge Hardness : 37°-39° / 39°-37° Thickness : 2.1mm Origin : Made in China 37-39 means the sponge close to the top sheet is 37, and the sponge close to the blade is 39. To adapt to the era of new material balls, the versatile loop drive technology and diverse playing characteristics, 729 TAlCHl series rubbers emerged in the air, after the 729 double-layer tacky rubber sheet, another epoch-making innovation was made, the latest patented technology “dual” structure” dual” hardness, and “dual energy” complementary drive special sponge, More combinations have enabled table tennis enthusiasts to have a deeper and broader imagination about profession.