the table number stand grooves in the table number holder are designed to accommodate postcard-thick cardboard, but not thin paper. for indoor use, the table number stands securely hold regular-sized cards and are suitable for placement on flat surfaces such as desks and tables. these card holder stand are large enough to accommodate seating arrangements for parties, banquets, and other occasions , offering flexible color combinations to suit different settings The table numbers holders feature a wooden semi-circular design, creating a sophisticated look that coordinates with most furniture.