Pattern weights are one of the essential supplies for sewist. They serve a similar function as paperweights except that they are just heavy enough to hold the pattern in place on the fabric. The delicate tissue of pattern pieces and some lighter fabric make sewing weights a must-have when measuring and cutting as part of your sewing project prep. 4 pattern weights( two of each print) ( 5 mm thick, 5 cm diameter, each weight is 75g) 1/4" x 2". Weight 2.65 oz.