30" Double Door Folding Dog Crate Cage Two 2 - Medium Length 30" x Width 21" x Height 24" // Durable Black Electro-Coat Finish Simply unfolds and sets right up! Folds Flat For Easy Storage. Divider Panel (to adjust to your dog's growth)and Crate Training Guide Included. Safe & Secure Slide Bolt Latch to keep your best friend safe! Easy to Clean ABS Pan. This crate attaches to most exercise pens 30" inches and smaller!