These coasters are a perfect gift for sewing enthusiasts! 6 assorted fun and catchy sewing designs with each coaster being 9.2 x 9.2cm (35⁄8″ x 35⁄8″) and made of 6mm MDF fibreboard. A great way to keep your sewing table protected from hot mugs or sweating glasses. Anti-slip feet prevent the coaster from slipping.