Avana Inclined Memory Foam Mattress Topper Wedge, King-Size Bed Inclined Memory Foam Mattress Topper Slant that fits across the entire length and 72" width of a King Size Bed/Mattress Provides a safe and drug-free solution that can help with symptoms of acid reflux, GERD (gastroesophageal reflux disease), swelling, and sinus problems while sleeping The antimicrobial Bamboo-rayon cover is supremely soft and both removable and machine-washable Dimensions (inches): 80L x 72W x 7H Proudly Made in the USA : No Assembly Required