plain top type(平口式)

45*50 *(1.5 silk) = 3g, 100 pieces/tie(45*50*（1.5丝）=3克，100条/扎) 45*50 thick * 2.5 silk * 5g 100 pieces/tie(45*50厚*2.5丝*5克100条/扎) 50*60 * thick (2.5 silk) = 7g 50 pieces/tie(50*60*厚（2.5丝）=7克50条/扎) 60*80 *(2.7 silk) = 10g 50 pieces/tie(60*80*（2.7丝）=10克50条/扎) 60*80 * thick * 3.5 silk * 12g 50 pieces/tie(60*80*厚*3.5丝*12克50条/扎) 60*80 * extra thick * 4 silk * 15g 50 pieces/tie(60*80*特厚*4丝*15克50条/扎) 60*80 * super thick 5 silk * 20g 50 pieces/tie(60*80*超级厚5丝*20克50条/扎) 70*90*3 silk * 15g 50 pieces/tie(70*90*3丝*15克50条/扎) 70*90 * thick * 4.5 silk * 25g 50 pieces/tie(70*90*厚*4.5丝*25克50条/扎) 80*90*3.2 silk * 20g 50 pieces/tie(80*90*3.2丝*20克50条/扎) 80*100 *(3.0 silk) = 20g 50 pieces/tie(80*100*（3.0丝）=20克50条/扎) 80*100 * thick (3.6 silk) = 25g 50 pieces/tie(80*100*厚（3.6丝）=25克50条/扎) 80*100 * thick (4.2 silk) = 30g 50 pieces/tie(80*100*厚（4.2丝）=30克50条/扎) 85*105*3.2 silk * 20g 50 pieces/tie(85*105*3.2丝*20克50条/扎) 90*100*2.8 silk * 20g 50 pieces/tie(90*100*2.8丝*20克50条/扎) 90*100 * thick * 3.7 silk * 30g 50 pieces/tie(90*100*厚*3.7丝*30克50条/扎) 90*110 *(3.5 silk) = 25g 50 pieces/tie(90*110*（3.5丝）=25克50条/扎) 90*110 * thick (3.9 silk) = 30g 50 pieces/tie(90*110*厚（3.9丝）=30克50条/扎) 90*110 * extra thick * 4.2 silk * 36g 50 pieces/tie(90*110*特厚*4.2丝*36克50条/扎) 95*115*3.7 silk * 30g 50 pieces/tie(95*115*3.7丝*30克50条/扎) 100*120 *(3.3 silk) = 30g 50 pieces/tie(100*120*（3.3丝）=30克50条/扎) 100*120 * thick (3.8 silk) = 40g 50 pieces/tie(100*120*厚（3.8丝）=40克50条/扎) 100*120 * extra thick * 4.2 silk * 50g 50 pieces/tie(100*120*特厚*4.2丝*50克50条/扎) 120*140*3 silk * 40g 50 pieces/tie(120*140*3丝*40克50条/扎) 120*140 * thick (3.8 silk) = 50g 50 pieces/tie(120*140*厚（3.8丝）=50克50条/扎) 120*140 * extra thick * 4.2 silk * 60g 50 pieces/tie(120*140*特厚*4.2丝*60克50条/扎) 130*150*3.5 silk * 55g 50 pieces/tie(130*150*3.5丝*55克50条/扎)