Insulated Comfort Zone This tunnel uses an ultrasoft polyester structure with strong insulation to create a dependable constant temperature area. The design provides cavelike security and helps your pet tolerate colder conditions more comfortably. Easy Maintenance Solution The tunnel is machinewashable and features antideformation technology for effortless maintenance. It stays fluffy thanks to elasticity PP cotton filling, delivering durable comfort for hamsters. Interactive Play Functionality Semienclosed tunnel design maximizes play space, encouraging exploration and exercise. It provides hours of engaging activity for small pets. Thread Exposure Risk Elimination Rounded edges and reinforced lining enhance durability and safety. Invisible stitching removes thread exposure risks for worry daily activity. Use scenarios Winter retreat in the cage: Place the tunnel in the enclosure to create a warm, secure hideout where your hamster can rest comfortably during colder days. Daily enrichment and exercise: Use the tunnel as an interactive route to encourage exploration, running, and play within a compact space. Easy care and rotation: When cleaning your habitat, wash the tunnel in the machine to restore its fluffiness and maintain hygiene without compromising durability. Specifications and compatibility Material: ultrasoft polyester with elasticity PP cotton filling Features: insulated constanttemperature zone, machinewashable, antideformation technology, semienclosed design, rounded edges, reinforced lining, invisible stitching Intended use: small pets, especially hamsters, for warmth, security, and enrichment