'- Dual-Sided Use - Multiple Colour to Choose - Waterproof & Scratches Resistant Surface - Easy to Clean - Air purification and Antibacterial Anti-virus and Deodorization features - Intertek - renowned Global Quality Assurance Laboratory verified over 90% bacteria decreased - HKSTP verifies TiO2 adhesive strength - PIAJ certificate proof the materials with Air purification, Antibacterial Effect *Remarks: Please spread out the mat for a while when first time open the packaging to let the smell dissipate, since the product may be placed in the warehouse for a certain period of time, and the photocatalyst needs time to operate to decompose pollutants, PIAJ certificate proves antibacterial and air Purification effect