Parents, these interlocking foam mats are such a game-changer for playrooms and nursery spaces! You get 20 tiles in the set, each measuring 30x30x1 cm, that connect together to create a soft, safe play area about 142x114 cm total. The EVA foam is non-toxic and odor-free - no worrying about harmful chemicals where your kids play. At 1 cm thick, they provide decent cushioning for crawling babies and playing toddlers, protecting little knees and preventing hard falls. The interlocking edges stay connected securely, and the matte finish has good traction to prevent slipping. They're easy to clean with just a damp cloth, and you can configure them in different shapes to fit your space perfectly. The neutral beige and gray colors work with most room decors without being overwhelming. What's really nice is how versatile they are - use them as a play mat, exercise area, or even under sleeping bags for sleepovers. They're lightweight enough to move around but durable enough to handle active play. Just note they only connect with other YIMINYUER brand mats, not generic ones. For creating a safe, comfortable play space that protects your floors and your kids, these mats deliver exactly what you need.