Dog Bed Liner - USA Based - Premium Durable Waterproof Heavy Duty Machine Washable Material with Zipper Opening - 2 Year Warranty PROTECT YOUR INVESTMENT - You spend a lot of money on those dog beds! Start protecting them with a 4Knines Dog Bed Liner. Our waterproof liner is designed to protect the interior of your dog's bed from accidents and other wet messes. This liner also helps protect your dogs foam insert from household allergens, dust mites, mold, mildew, and that wonderful wet dog smell. DURABLE & WASHABLE - The soft quiet fabric ensures you do not hear the bed every time your dog moves around on his bed. Machine washable; hang to dry. EASY TO USE  Simply remove your dog beds stylish outer cover, place the beds insert into the 4Knines waterproof liner, and then replace the beds outer cover. SIZE OPTIONS - Available in four sizes. Medium (27 x 36"), Large (45 x 36"), XL (54 x 36"), and Round (36"). All are six inches deep. Measure your dog's bed to determine proper fit. USA STAFF & 2-YEAR WARRANTY  Your 4Knines dog bed liner is protected by a no-hassle 100% Customer Satisfaction Guarantee and a 2-Year Warranty (defects in materials or workmanship). Our exceptional US-based team is happy to answer your questions and manage any warranty concerns. Save yourself the guessing game - buy the best products the first time! "4Knines - Nothing But The Best For Your Best Friend"