Sponge Bed Gap Filler - Material and performance: High density 40D sponge, highly resilient, comfortable, and does not collapse. - Close the gap: Fills the gap between the mattress and the headboard, wall, or footboard, and helps prevent pillows, pets, and toys from slipping off the bed. - Easy to cut and fit: Can be cut freely to the desired length and angle. During shipping, the filler may be compressed; it does not warp and will fully expand after 24 to 48 hours. - Wide applications: Provides excellent comfort and support and is easy to use. Suitable for dormitories, bed seams, and patchwork beds. Use scenarios: - In a dormitory bed, place along the edge to keep pillows and small items from slipping into the gap and to create a tidy edge. - Along the seam between mattress and headboard or wall in a master or guest bed to stop pillows, toys, and pets from sliding off. - On patchwork or irregularly framed beds, cut to the required length and angle to achieve a smooth, uniform edge and fill gaps effectively.