Product Specifications: Material: Polyester; Color: Blue; Size: Overall 52.0 x 52.0 inches (132 x 132 cm); Entrance Diameter: 9.8 inches (25 cm); Package Weight: Approx. 15.7 oz (450 g); Reasons: Durable: Excellent water resistance and scratch resistant! Does not collapse: The entrance uses soft steel wire, so it maintains its shape. Can be used all year round: Breathable material that can be used for a long time regardless of the season; Convenient to carry: Folds up for compact storage when not in use. Note: Due to the light and screen settings, the color of the item may differ slightly from the picture. Please allow for slight dimension differences due to differences in manual measurement. Please carefully restore the package tie, stretch the tunnel to the full length and place it in a wide playground. Please do not rub the surface with warm water and a mild detergent. Do not soak it in wind-dry water. Please do not subject to strong impact or enter. When using cats with chewing or scratching, please be careful as it may lead to damage the product. Do not move or lift the cat while it is in the product. Do not place near fire or heating appliances or add boiling water. There is a risk of fires, burns of people and cats, and product deformation. Please be careful not to tamper your children.