Dog Beds with light staining: This is usually caused by sun exposure or slight variations in fabric dye. These imperfections appear as faint pinkish marks that vary in visibility and placement. The photos shown are for reference only, as each bed is unique, and some marks may be barely noticeable. These are fully functional, complete beds, and the imperfections are purely cosmetic. If you'd prefer a spare cover only, feel free to get in touch — we're happy to help! - Also, if you would like to add a mattress protector, you can find them here.