Introducing TEDDY Corner Open: Where TEDDY Meets Endless Comfort and Play. TEDDY Corner Open is not just any corner sofa. Unfold TEDDY Corner Open to unveil a vast mattress floor, perfect for playful moments with the kids or relaxed gatherings with friends and family. This expansive area also functions as a huge bed when you need extra sleeping space. Each mattress connects securely with a simple Velcro attachment.