The disposable square paper coaster is a practical, economical and ecofriendly daily accessory for onetime use in daily and commercial scenarios. Made of highquality foodgrade paper, it is nontoxic, odorless and safe for direct contact with all drinking vessels and tableware.Its main purpose is to protect table surfaces from water stains, drink spills and slight heat damage. It absorbs excess moisture to avoid water rings, keeps tabletops clean, and its disposable design enables quick, hasslefree cleanup.This coaster has practical advantages lightweight and compact for easy storage and use, thickened paper resists tearing and soaking, costeffective for bulk purchase, and its neat square design fits various table types and decor styles. It is widely used in homes, offices, cafes, restaurants, bars, hotels and party venues. Placed on coffee tables, dining tables and office desks, it meets daily and commercial disposable use needs as a practical accessory