This product is USA home-made from scratch by our family. It is made with high-density polyurethane foam upholstered with high-quality marine vinyl. Wide Use: This product can be used indoor and outdoor because the vinyl is waterproof, scratch resistant, UV resistant, and extremely cold temperature resistant. The soft materials are durable and easy to clean; just wipe with a mild soap-and-water solution. Fun Learning: Babies and toddlers learn in a fun manner. They learn basic mathematical concepts such as shape, size, and weight. Cognitive Developmental: Awaken creativity and abstract thinking through the building block game. They encourage the development of motor skills, spatial awareness, and hand-eye coordination.