Color classification
Module ① ① Combination/M-grade half skin
Module ① ② ① Combination/M-grade half skin
① ② ② ① Combination/M-grade half skin
Combination/M grade full leather
① ② ① Combination/M grade full leather
① ② ② ① Combination/M grade full dermis
Module ① ① Combination/V grade full leather
Module ① ② ① Combination/V grade full leather
Module ① ② ② ① Combination/V grade full dermis