"From Dritz knit non-roll elastic in three different sizes as 3 yards of 3/4", 4 yards of 1/2", and 1 yard of 3/4". These elastics are perfect for sleeves or waistbands in skirts, slacks, shorts, and pants. Elastic resists rolling or twisting, and is shrink resistant and unaffected by chlorine bleach. PLEASE PICK YOUR SIZE.".