Add cotton padding around the sturdy hardened spring steel for extra comfort and safety set your child free to play. Each side of the tunnel can be a connection port to easily link multiple NARMAY play tents together more fun for kids. Manufacturered by NARMAY. Encourages children to use their imaginations be physically active when crawling and tunnel play excellent for muscle and motor skill development. Tunnel size: 19dia 58L inch. Easy set up or take down. Sturdy carry bag included for convenient travel and storage. Super view mesh fabric and polyester taffeta prevents rips and tears could see the every moment when kid crawl though it.