Durable and tear-resistant polyester taffeta material in vibrant new color combinations, perfect for both boys and girls Extra comfort and safety with cotton padding around the sturdy hardened spring steel, so your child can play freely Connect multiple NARMAY play tents together ...Durable and tear-resistant polyester taffeta material in vibrant new color combinations, perfect for both boys and girls Extra comfort and safety with cotton padding around the sturdy hardened spring steel, so your child can play freely Connect multiple NARMAY play tents together easily with each side of the tunnel serving as a connection port, providing endless fun for kids Encourage your child's imagination and physical activity with crawling and tunnel play, which are excellent for muscle and motor skill development Longer tunnel size of 19 dia. 72 L inch for more fun, with easy setup and takedown. Comes with a sturdy carry bag for convenient travel and storage