Silk Lamé Braid by Rainbow Gallery 72% Silk, 18% Rayon, 10% Metalized Polyester 10 Yards of SL 8 Yards of LB Hand Washable, Test First SL is meant for 18 count canvas Some people will use SL on 13 count but it does not give full coverage LB is meant for 13 count canvas A mix of silk and metallic together give your design a wonderful sparkle. You can use it as is off the card for stitching, no plying necessary. 18 count (SL) contains four strands of silk and four metallic filaments braided together. 13 count (LB) is a blend of eight strands of silk and eight metallic filaments. Makes a beautiful twisted cord and tassel for finishing.