• Seamless and Easy to Clean: Waterproof and seamless design with no stitches for easy cleaning.Compatible with robot vacuum cleaners.Also, since it is not a joint mat, it is easier to clean. • Stylish Soundproofing: The sturdy and thick memory foam cushion provides both fall-prevention and ΔLL-6 equivalent soundproofing.Reversible design that blends well with any interior. • (Safety Standards) This product has been certified by Korea KC certification and CE-NE71 mark, so it meets the international standards for harmful substances such as formaldehyde, BPA, and phthalates.This playmat is a Japanese product which is fire retardant certified and has been used in infant rooms of Japanese daycare centers for many years. • Reliable, Antibacterial Mat: This antibacterial mat is safe for children. • Compatible with floor heating, hot carpets, robot vacuum cleaners: A low enough height that robot vacuum cleaners can get on top of it.