SmartyKat Hideout, Tunnel and Playmat Cat Toys Mysterious tunnel with hidden crackle material to intrigue and engage cats Foldable tunnel pops open in an instant for & closes securely with attached ties for easy storage Measures 34 long x 9.5 diameter expanded and retracts to 2 long Often used for small dog agility training All SmartyKat products are tested to child safety standards and come with our satisfaction guarantee