L-50 Heavyweight Stabilizer L-50 Legacy Heavyweight Stabilizer is a sew-in stabilizer for extra firm body and stiffening. It is great for use in printing, visor brims, backpacks, and drapery headers. White 100% Polyester 51cm by-the-metre width Sew-in stabilizer for extra firm body and stiffening Sewing machine safe Machine wash warm. Tumble dry low or dry clean. Find this and other quality Legacy products at your local Spotlight Store.