Hobbs Heirloom Natural With Scrim Cotton Wadding Batting Quilting Sizes To choose from 36 x 45in 90 x 108" Heirloom Natural with Scrim is made with Natural cotton but has a thin scrim (stabilizer) needle punched into the cotton. This scrim provides superior strength over cotton alone, and prevents the batting from stretching and distorting. Shrinkage of 3-5%.