100% Handmade : All mats are made in Mirabell's factory in Korea and are 100% handmade using eco-friendly materials. Foldable Mat : A foldable mat that can be used in a variety of ways to foster children's imaginations. 8 layers of high-density PE foam : It uses high-density PE foam with a scientific structure that absorbs shock and disperses it 8 times with eight layers of foam, providing excellent shock absorption and helping to dampen noise between floors. Hidden Zipper : Hidden zipper, Mirabell's proprietary technology for child safety, helps prevent children from getting hurt. Safe PU fabric : Safe and non-toxic, it is resistant to dirt and easy to clean. Resilient and stable, it has a long service life and is soft to the touch, suitable for use by infants. Water-resistant : Water-resistant so it doesn't get dirty easily, making it easy to keep clean.