For the wood floor and wall board, there are three series: 1. Natural series(cedar wood floor and wall board) : made of cedar,the density of cedar wood is very strong,it is smooth, hard, not liable to warp or corrode. 2. Health series (Hinoki wood floor and wall board): made of Japanese cypress, the advantage of cypress is not liable to warp or corrode, cypress is also good for human health. 1) Visual Effects: there are natural concave-convex on the surface of cypress, it can make the sunlight more soft. 2) Hearing Effects: Cypress can regulate high,alto and low pitch, so many music instruments can be made by cypress. 3) Smell Effects: Cypress is perfumed, it can improve the quality of sleep, so it can relief from fatigue well. 4) Feeling Effects:Cypress has excellent insulation,it can reduce static electricity in dry season,it can provide us a healthy environment for our surface. 5) Gustation Effective 3. Warm Series(Paulownia wood floor and wall board): made of Chinese paulownia wood, it can keep warm. Carton package 16pcs/carton.