PetSafe Electronic Smart Dog Door Size:SmartDoor (Large) Features an adjustable strap and

Features an adjustable strap and stainless steel hardware

stretch fabric blend: 62% Polyester

kills fleas

Hardware: Stainless Steel

water-resistant construction made from heavy denier nylon with a vinyl backing

PetSafe Electronic Smart Dog Door Size:SmartDoor (Large) Features an adjustable strap andElectronic SmartDoor for Dogs The PetSafe Electronic Smart Dog gives your dog the ability to come and go as he pleases. Features: recognizes the smart key only re locks automatically after pet enters or exits energy efficient weather resistant seal insulated flap Fits standard doors from 1. 5" to 2" thick. Large Door: 16 1 8" W x 2. 25" D x 23 5 8"H