The Ruff Tough Single Door Dog Kennels are the most durable, compact and versatile dog kennels on the market. A Ruff Tough Kennel was dropped from a height of 12 feet with no effect. No splits or cracks!andnbsp;Constructed of heavy-duty, high-density polyethylene and crafted with one-piece molded construction, you can count on this kennel. Features safety tie downs for you to secure in your pickup or SUV. You can easily bolt the Ruff Tough Kennels together up, down, sideways or both with the heavy duty metal inserts (sold separately). These dog kennels have no seams and are easy to clean. All stock kennel covers fit the Ruff Tough Dog Kennels.andnbsp;one year manufacture's warranty. Intermediate, Large and X-Large do not come with handles but can be purchased as separate accessory - RUFHK2009 Ruff Tough Single Door Dog Kennel Features: Constructed with high-density polyethylene Molded from one-piece, so no seams for easy clean-up Metal inserts for attaching multiple kennels together and for safely tying down Stackable - Nest easily togetherandnbsp; All stock kennel covers fit the Ruff Tuff Kennels Safety-dropped from 12 feet with no cracks Five-year manufacturer's warranty

Constructed with high-density polyethylene

Molded from one-piece, so no seams for easy clean-up

Metal inserts for attaching multiple kennels together and for safety tying down

Stackable - Nest easily together

All stock kennel covers fit the Ruff Tuff Kennels