Weather-resistant charcoal grey plastic. Manual locking system with 4 options - in only, out only, opened and locked. Suitable for dogs up to 45kg. Suitable for wooden, PVC and metal doors. Can also be fitted into bricks. Overall size (H)56.1, (W)45.6cm. Door size (H)42.9, (W)29.1cm. Manufacturer's guarantee of 3 years.