Clean and simple - just the way your pet likes it! This Mobile Pen has slide-locking doors with a removable wire top for easy access to pets, with lockable caster wheels for easy movement. The floor is protected by the sturdy plastic tray. Mdl 640 measures 25.2"L x 18.1"W x 22.4"H. Mdl 940 measures 36.8"L x 24.2"W x 26"H. Shipped directly from manufacturer. Please allow 7-10 business days for delivery. These are FOB items. Additional shipping charges apply.