Features: The pet door give your pet the freedom to come and go Auto locking system Magnetic closure design, Closes automatically Transparent, solid plastic flap is easy for your pet to open The manual can be quick and easy installation Great for your home and cottage Low Maintenance and Durable The four slices of baffle can be used to make pet door frame, If hollow wooden door, can be placed inside block water use Specification: Material: ABS Color: White Brown, Black Medium Size: Flap opening: 280 x 210mm(11.2 x 8.4inch) Outer frame: 350 x 290mm(14 x 11.6inch) Thickness: 45mm(1.6inch) Weight: 1100 Large Size: Flap opening: 370 x 290mm(14.5 x 11.4inch) Outer frame: 430 x 355mm(16.9 x 14inch) Thickness: 45mm(1.6inch) Weight: 1600 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.