Specification model 15*20(16+4)1 pack of 100 pieces, double-layer, 10 silk 16*25(21+4)1 pack of 100 double-layer 10 silk pieces 18*25(21+4)1 pack of 100 double-layer 10 silk bags 20*25(21+4)1 pack of 100 pieces, double-layer, 10 silk 20*30(26+4)1 pack of 100 pieces, double-layer, 10 silk 20*35(31+4)1 pack of 100 pieces, double-layer, 10 silk 22*35(31+4)1 pack of 100 double-layer 10 silk pieces 22*40(36+4)1 pack of 100 pieces, double-layer, 10 silk 25*30(26+4)1 pack of 100 pieces, double-layer, 10 silk 25*35(31+4)1 pack of 100 pieces, double-layer, 10 silk 25*40(36+4)1 pack of 100 pieces, double-layer, 10 silk 25*45(41+4)1 pack of 100 pieces, double-layer, 10 silk 28*35(31+4)1 pack of 100 pieces, double-layer, 10 silk 28*40(36+4)1 pack of 100 pieces, double-layer, 10 silk 28*45(41+4)1 pack of 100 pieces, double-layer, 10 silk 30*40(36+4)1 pack of 100 pieces, double-layer, 10 silk 30*45(41+4)1 pack of 100 pieces, double-layer, 10 silk 30*50(46+4)1 pack of 100 pieces, double-layer, 10 silk 32*45(41+4)1 pack of 100 pieces, double-layer, 10 silk 32*50(46+4)1 pack of 100 pieces, double-layer, 10 silk 32*55(51+4)1 pack of 100 pieces, double-layer, 10 silk 35*40(36+4)1 pack of 100 pieces, double-layer, 10 silk 35*45(41+4)1 pack of 100 pieces, double-layer, 10 silk 35*50(46+4)1 pack of 100 pieces, double-layer, 10 silk 35*55(51+4)1 pack of 100 pieces, double-layer, 10 silk 35*65(61+4)1 pack of 100 pieces, double-layer, 10 silk 40*45(41+4)1 pack of 100 pieces, double-layer, 10 silk 40*50(46+4)1 pack of 100 pieces, double-layer, 10 silk 40*55(51+4)1 pack of 100 pieces, double-layer, 10 silk 40*60(56+4)1 pack of 100 pieces, double-layer, 10 silk 45*50(46+4)1 pack of 100 pieces, double-layer, 10 silk 45*55(51+4)1 pack of 100 pieces, double-layer, 10 silk 45*60(56+4)1 pack of 100 pieces, double-layer, 10 silk 45*65(61+4)1 pack of 100 pieces, double-layer, 10 silk 50*60(56+4)1 pack of 100 pieces, double-layer, 10 silk 50*70(66+4)1 pack of 100 pieces, double-layer, 10 silk