Construction and RainbowColor: The cat tunnel is made of soft, smooth polyester fabric, designed for long use. Rainbowlike colors add to the fun of the toy. Keep Your Pet Active: Compared to cat tents, scratch posts, and mice toys, this kitten tunnel offers the most interactive play and is a way to encourage daily exercise and keep your pet active. Design Features: The tunnel includes a spacious Lshaped section and peepholes, providing your cats with multiple ways to amuse themselves. Size: Fully unfolded about 48 x 48 cm (18.90 x 18.90 inches); entrance diameter about 25 cm (9.84 inches). Use Scenarios: Solo play and exploration as the cat moves through the tunnel and peeks through the holes; enrichment and exercise in a living room or play area; shared play for kittens or small cats to encourage interaction and fun.