Safe material: Constructed from sturdy Oxford fabric with cushioned tunnels to provide a comfortable, durable daily hideaway for your cat. Built to withstand hours of play without tearing or scratching. Spacious design: Generous interior space for multiple cats to play and relax. Can function as a cozy cave or inner curtain, encouraging exploration and hide-and-seek. Engaging entertainment: Straight cat tunnels feature a rustling polyester surface that swishes on contact and a soft ball at one end to entice play and exploration. Easy to customize: Tunnels connect easily with each other. Each tunnel has connection hooks at every opening and multiple portals, offering a longer, varied play space for your energetic pet. Use scenarios: Ideal for multi-cat households; set up in the living room for shared play. Create a private retreat in a corner for quiet time. Build an indoor obstacle course by linking tunnels around the room.