✅ Multi-functional bed gap filling: Our pillow not only fills the gap between the headboard and the mattress and effectively prevents items and pillows from falling off the bed. The cover of this Bed Gap Filler is crafted from cotton linen while inner filling is high density sponge.Breathable,high resilience is for headboard gap/bed gap filler,close gap between your mattress and headboard. ✅ All size include 39 inches, 47inches, 54 inches, 60 inches, 70 inches,72 inches,76inches and 78inches (Twin, Full, Queen, King), give you more option. The cushion extends across the top of the mattress from end to end to fill the crack, reduce the trouble of dropping things for you. It's convenient bed accessories. ✅ This soft flexible Bed Gap Filler for headboard Space Filler can be used as headboard pillow, bed gap filler, mattress extender, mattress gap filler. Works great between wall and mattress, it can close the gap between your headboard or wall and bed mattress. Or as sofa back support cushion. You can even use it as foot rest for under desk. ✅ Removable and machine-washable cover: Our Headboard Gap filling Pillow comes with a removable and machine-washable cover for convenient cleaning and hygiene maintenance. The cover is non-pilling, skin-friendly and very durable. You can easily remove stains and odors by regularly washing the cover, keeping the pillow fresh. ✅ NOTE: As bed crack pillow is vacuum packaging, ompressed during transportation, may need time, bed rectangle pillow to recover its original shape. We recommend removing it from packaging and allowing it to rest and expand for 1-3 days to restore its fluffiness. Product Name: Bed Gap Filler. It will fill the space between the two mattresses,or mattress and headboard, and the comfortable and soft surface will fit your mattress perfectly and ensure a smooth surface.