INFORMATION CHART : 4WD(For Chile only) QUINGDAO EVA MATS Product: Eva Mats for Professional Sports. Design for Martial Arts & Gymnastic (Taekwondo, Judo, Karate, Gym, etc. ) Brand: 4WD (For Chile only)Quingdao Professionals Products. Origin: Industrial Area, Quingdao, Popular Republic of China. Manufacturer: Quingdao Industries & Quingdao Enterprises. 3 Other: Manufactures of Eva Products, Gaskets, Seals and Others. Specialty: Eva Mats Products of High Density, for Professionals Sports. Main caracteristics: Built in high structural density. Self-extinguish EVA foam Sheet Oustanding desing for professional practise, self defense, judo, taekwondo, fencing, etc. High Absortion Capabily. 100% Earth-friendly Product. Enviromment Friendly. Burn Test: Self-extinguishing. (Meet requirement of UL-94 HBF) Can use in all kind a of surfaces. May use with all kind of shoes. High traffic surface. The 4WD mats can be use directly under the sun or rain. Anti-slip texture. This protect against common painful injuries, specially foot fingers and ankles. Washables easylly. No special products required. Cleaning: Basic dirt can be vacuumed from the mat.