The carrier is sturdy, made from high-quality material that ensures it is durable and long-lasting. They feature 2 doors, one on the top and one in the front. The top door allows for easier loading of your pet into the carrier. The doors are made of metal and close securely, each with a double lock. It's lightweight and easy to transport with a handle on the top of the carrier, allows for comfortable carrying. The 4 side clips ensure that the carriers are securely fastened together. The air vents in the lid and the sides ensure that air flows through freely for sufficient ventilation. These carriers are ideal for transporting your pet in the car. Available in 2 sizes: Small: 51.6x32.7x29.6 cm, pet weight <4.5 kg Medium: 57.2x36.5x32.76 cm, pet weight <11 kg *Carrier assembly required. Product ships unbuilt. No tools needed/No instructions included. Please reach out to us if you require assistance.*