Reinforced Construction An ergonomic anticollapse design combined with a flexible steel frame and washable materials provides safe daily play while maintaining structural integrity after multiple active sessions. Built to endure regular use without bending or deforming, it stays sturdy as your cat plays. Interactive Fun Trackable ball tunnel and TS design stimulate a cat's natural instincts through dynamic jumps. Observation windows enhance interactive play and feline curiosity, encouraging exploration and engaged activity in a safe enclosure. Efficient Carrying Doublefold design enables instant storage. It intelligently adapts to different home environments and compacts into its special case for permanent mobility, making it easy to move between rooms or take along when needed. Multipet Use Designed for homes with multiple pets, this tunnel offers flexible passages and curves that adapt to different sizes. It allows multiple animals to play together comfortably and share space safely, reducing competition and promoting safe, cooperative play. Use scenarios Scenario 1: Singles in small spaces. A single cat can enjoy safe exercise and mental stimulation in a compact area. The washable materials simplify cleaning after energetic play, and the compact fold makes it easy to store between sessions. Scenario 2: Multipet households. Several pets can explore the tunnel together thanks to flexible passages and adaptable curves. The observation windows invite curiosity, while the sturdy construction supports shared play without crowding or safety concerns. Scenario 3: Portable setup for travel or room changes. The doublefold design and lightweight case enable quick packing and relocation, so you can maintain enrichment routines across different rooms, apartments, or while traveling.