• Sick Building Safety Tested: The 7 causes of Sick House Syndrome are thoroughly inspected according to JIS standardsThis baby play mat is completely free of harmful substances • Shock Absorbing Protection from Injuries: The mat is 0.8 inch (2 cm) thick. Folding Baby Play Mat is the first extra thick design ever to protect your child from injury • Soundproofing performance that allows them to play as much as they want: Made with high-density XPE material and an extra thick 0.8 inch (2 cm) double safe design that softens the sounds of life in your apartment or condo • Uses premium XPE materials: In addition to shock absorption and noise reduction, it also has excellent features, such as water resistance, is antibacterial and odor resistant, durable, and insulating • Fun design to learn while playing: Colorful design so they can naturally recognize colors and patternsTwice the reversible fun: Folds compactly for storage and outdoor use