The 4 Modes Pillow Wedge for Headboard Gap is an upgraded mattress gap filler designed to solve the problem of losing items in the bed frame gap behind your pillow. This king size bed wedge pillow measures 76"x6.3"x6.3" and can fill gaps from 0-7 inches, making it suitable for most beds. The uniquely designed wedge pillow allows you to adjust the gap filling method freely, with triangles that can be flipped into a rectangular pillow. It covers the gap between the bed and the wall or adds a cover to fit your expectations perfectly. The pillow is made of premium 25D high density foam, which is strong enough to hold back the gap and maintain its original shape for a long time. It provides comfortable support for your head and neck for a good night's sleep. The bolster pillowcase is made of high-grade, breathable, soft material that is Oeko-tex certified. The zippered cover is easily removable and machine washable, ensuring simple maintenance and long-lasting freshness. Note: The headboard wedge pillow may be compressed during shipment and takes 24-48 hours to return to its original shape after unpacking. 4 USE MODES - The gap filler is optimized and upgraded to 4 use modes according to customers' needs, making it suitable for most beds.The uniquely designed mattress gap filler allows you to freely adjust the gap filling method, and the triangles on the wedge pillow can be flipped into a rectangular pillow. PERFECT WEDGE PILLOW - If you're struggling with losing items in the bed frame gap behind your pillow, our mattress gap filler is made for you!Our wedge pillow measures Queen:60"x6.3"x6.3" /king:76"x6.3"x6.3".This king size bed gap filler can fill gaps from 0 -7 inches, king size bed wedge pillow can perfectly fill the gap between the headboard or wall and mattress, preventing pillows, cell phones, toys, remotes, or other belongings from falling out of bed. PREMIUM HIGH DENSITY FOAM - FOXTUEL king size bed pillow wedge for headboard gap is made of premium 25D high density foam wedge, which is strong enough to hold back the gap and keep its original shape for a long time. It also fills the bed gap effectively and provides comfortable support for your head and neck for a good night's sleep. The pillow wedge takes up less space on the bed and also helps some customers to reduce the number of pillows on the bed for a neater bed. BREATHABLE & REMOVABLE COVER - Included is a soft, breathable bolster pillowcase made from Oeko-Tex certified material.The zippered cover is easily removable and machine washable, ensuring simple maintenance and long-lasting freshness. TIP: 24-48 HOURS FULLY INFLATED - Our headboard wedge pillow gaps are compressed during shipment, so it takes 24-48 hours to return to its original shape after unpacking. FOXTUEL wedge headboard pillows retain their shape for a long period of time without deforming.