He could go in and out when he pleases (unless you don't want him to, in which case you can close the Classic Pet Door with the closing panel). If you have to be away from the house for many hours, your cat can now have access to the yard when he wants. The unique flap system will keep it weather tight. Now your pet can come and go as it pleases.

• Soft transparent single flap for maximum energy efficiency
• ULTRASEAL™ all weather, energy conserving flap system reduces energy loss in winter and summer
• GRIP-TRAK™ insulated, locking security cover is the strongest and most secure available (Extra large comes with a steel security cover)
• Telescoping adjustable frame creates its own protective inner frame in doors from 1/16" to 2", may also be installed in walls
• Adjustable sill with extra strong magnets hold the flap in place for a tight weather seal
• Insulating, non-rusting security cover has dual locking pins (except small) to prevent removal of the security cover from the exterior
• See-through flap design aids in training
• Easy-to-follow installation manual
• Lifetime warranty on door frame, One year on flap
• Available in four sizes: Small, Medium, Large and Extra Large