【Recommended Size】M inner size:30"L*20.1"W*23.7"H. It's perfect for weight up to 35 pounds.L inner size: The interior space of the dog crate is 35.9*23.1*25.7 inches. It's perfect for weight up to 60 pounds.XL inner size: 41.5*26.5*29.5 inches. It's perfect for weight up to 90 pounds. 【Upgraded Sturdy Door Lock】: With the design of the front bolt lock and the built-in spring lock, it fits snugly onto the door frame, minimizing noise as your dog moves around inside. Even in the face of a smart dog, The door lock will still hold its position! The side door can be placed on the left or right. 【360° Rotating Feeder】: When the dog needs to stay in the cage at night or for a short period, a stable dog bowl stand becomes the best accessory for the cage. It prevents the dog from tipping over the bowl inside and making it difficult to clean. The elevated dog bowl stand also plays a very important role in the health of the dog's spine (comes with two 304 food-grade stainless steel dog bowls). 【Easy-to-clean Tray】: The interior of the dog crate needs regular disinfection and cleaning of fur and dirt. The durable, odor-resistant tray can be easily pulled out and cleaned in case of accidents, something a wooden board can't do. (The tray comes with felt pads underneath to protect your floor from scratches) 【Product Material】: Detachable curved corner design, top cover can withstand 200 pounds of static weight. Made of high-quality high-density fiberboard, it's sturdier than particle board. 【Important Note】 This product is not suitable for heavy chewers and escape artists, and is recommended for crate trained dogs.