A 5in1 scalable activity mat 1.Unfolded, it offers a maxi-size play surface (180*120cm). 2. Folded in 3, it becomes a real mattress (120*60*12cm). 3.Folded in 4, it turns into a maxi pouf. 2 ultra-fun functions: 4. With a specific folding system, it turns into a tunnel. 5. Thanks to its removable square and clever folding, it turns into a cabin. -Practical:. Fastening and folding system