【Note: This product is recommended as an expansion accessory】 We have received feedback from some customers who wish to purchase individual tunnels to expand their previously bought tent combinations. Therefore, we are now introducing this additional tunnel accessory set. It allows customers to expand their tent combinations without the need to add more tents. The set includes 1 straight tunnel measuring 47.2 inches, 1 tunnel connection device, and 1 circular mesh piece with zipper. It is suitable for customers who have purchased the 6-in-1, 4-in-1, and 3-in-1 cat tent sets and want to further expand their tent arrangements. These components offer endless possibilities for creating various combinations!