Color classification
Senior four 171.26in [upgraded version-top cowhide + 50D rebound sponge] all electric
Double position 96.46in [upgraded version-first layer cowhide + 50D rebound sponge] all electric
Three 110.24in [regular Edition-Domestic Leather + 45D Rebound Sponge] All Electric
Senior 157.48in 171.26in [regular Edition-Domestic Leather + 45D Rebound Sponge] All Electric
Double 96.46in [regular Edition-Domestic Leather + 45D Rebound Sponge] All Electric
Four-person 139.76in [regular Edition-Domestic Leather + 45D Rebound Sponge] All Electric
Four-person 139.76in [upgraded version-top cowhide + 50D rebound sponge] all electric
Big Three 133.86in [regular Edition-Domestic Leather + 45D Rebound Sponge] All Electric
Three-person 110.24in [upgraded version-top cowhide + 50D rebound sponge] all electric
Big three 133.86in [upgraded version-top cowhide + 50D rebound sponge] all electric
Middle Three 125.98in [regular Edition-Domestic Leather + 45D Rebound Sponge] All Electric
Middle Three 125.98in [Upgrade-Head Cowhide + 50D Rebound Sponge] All Electric
Applicable number of persons