Package includes: 12 PACK Cardboard pet transporters Size: about 11 x 8 x 6 inches (L x H x W) Material: corrugated cardboard Plenty of Ventilation Great short-term solution for transport a small pet. Sturdy and durable not easy to break or deform could easily be reused for multiple trips. Small size box perfect for hamsters chinchilla guinea pigs reptiles cockatiel birds No Staples Strong Glued Joints Easy to install sets up in seconds. MATERIAL: The disposable pet box is made of recyclable corrugated cardboard which is lightweight but sturdy. Double wall corrugated boxes made of durable kraft corrugated cartons that are recyclable and eco-friendly durable box can keep your pets safe.