LANGXUN Pet Cat Tunnel, Collapsible 3 Way Play Toy Crinkle Peep Hole Design Dog, Rabbit Other Small House Animal Strong & solid spring structure: Made of ultrastrong, tearresistant polyester wrapped around a sprungsteel frame with protective ends Collapsible & portable: Easy to store, just scrunch tunnel together and then tie together with straps on ends of two of the tunnels Best ways to play: With 3way pet tunnels, builtin crinkle crackle paper, peephole & toy ball, this popular tunnel chute gives your kitty more ways to have fun