Beijing Blue Sponge is the newest (2022 release) super rubber from Tuttle. Its characteristics are: super spin, very good control and speed. Large throw angle. Beijing TUTTLE VIP 2018 has a soft sponge and plays like a European rubber. The top sheet is elastic, ribbed and not very sticky. Sponge hardness: medium soft (39 degrees). Suitable for experienced players who know how and like to play with hard powerful tensors with a strong grip.