Rectangular dog mattress in beige with a ribbed surface

This is a flat, rectangular dog mattress with rounded corners and a uniform height across the whole surface. The construction is a single integrated cushion without a separate rim or bolster; the edges are flat and finished with a horizontal seam that runs around the side panel. The top surface and the side panel both show a wide ribbed structure, with the ribs running lengthwise across the top and vertically along the sides. No zipper, handle, strap, or label is visible in the image, and the underside is not shown.

• Shape: rectangular with rounded corners
• Edge: flat edge, no raised rim or bolster
• Cushion: single integrated cushion, even height throughout
• Surface structure: wide ribbed texture on the top surface
• Side panel: ribbed structure running vertically
• Seams: horizontal seam along the upper side edge
• Colour: beige
• Pattern: plain, single colour