Shop for Boxsprings and Foundations from Hayneedle.com! The Wolf Quick Foundation Box Spring is as hardy as an ox, but infinitely easier to tame. This piece boasts solid pine wood slats and end caps, as well as reinforced composite wood rails, making it as reliable as they come. Construction is as easy as can be with four sturdy fastening bolts one at each corner ensuring long-lasting support through thick and thin. This piece is compatible with standard dust covers for protection against pesky particles with a love for noses. Choose from a wide array of box spring sizes to best suit your mattress and bed frame and prepare to experience ultimate stability. Box spring dimensions: Twin: 38L x 74W x 7H inches Twin XL: 38L x 80W x 7H inches Full: 54L x 74W x 7H inches Full XL: 54L x 80W x 7H inches Queen: 60L x 80W x 7H inches About Wolf Corp.This product was designed and manufactured by Wolf Corporation. Wolf Corp. was founded in 1873 by Paul Wolf, an orphan immigrant from Germany who began working as an upholsterer of furniture in Fort Wayne, Ind. Wolf and generations of sons after him have expanded the original farm operation into a thriving mattress and fiber insulation business. Still based where it was first established, Wolf Corp. combines years of experience with new technology to provide the best quality product at a great value. Wolf Corporation offers a limited 1-year warranty against workmanship or material defects (excluding cover and corner guards). Warranty is void if product has been subject to abuse, including stained, burned, or soiled covers. Contact Wolf at 1-800-642-9653 with questions. Sound Sleep Guarantee Our Sound Sleep Guarantee lets you try out your new mattress and make sure you found the perfect one. Give your new mattress a try for 21 days - that's about how long a new mattress takes to conform to your body and for you to get used to it. If after the first 21 days and up to the first 100 days after delivery you decide the mattress isn't for you, call us at 866-530-4157 and we'll come pick up the old one and exchange it for a different mattress for you. Here are the details: The Sound Sleep Guarantee applies only to the following brands: Laura Ashley, iMattress, King Koil, Sealy, Serta, Simmons, and Stearns & Foster. All other mattress brands cannot be returned. Pick-up and exchange is one time only per customer. A processing and pick-up fee of $99 is required. If you choose a new mattress with a higher price than the one we're picking up, you'll need to pay the difference. We are unable to accept returns or cancellations; only exchanges. Valid only within the 48 contiguous states.