Where can I find reasonably priced cotton bed sheets in Bangkok between BTS Phaya Thai and BTS On Nut?

For reasonably priced cotton bed sheets and pillow cases in Bangkok, you can explore local markets, BigC, Lotus, or HomePro. The Thai Watsadu hotel brand is recommended for higher quality cotton products. Additionally, Central and Siam department stores often have sales on bedding items. Online shopping is also an option, with Lazada offering a variety of cotton bed sheets. Don't forget to check Ikea Megabangna for more choices.