sheepskin paper bag for scientific research sulfuric acid paper bag wheat corn bag pollen isolation bag hybrid bag sewing 科研用羊皮纸袋硫酸纸袋小麦玉米套袋花粉隔离袋杂交袋缝制

white

no.10 white * 7cm [1]] white 16 * 10cm [1]] white 18 * 11cm [1]] white 22 * 8cm [1]] white 22 * 11cm [1]] white 22 * 15cm [1]] white 26 * 17cm [1]] white 30 * 17cm [1]] white 34 * 20cm [1]] white 34 * 25cm [1]] white 40 * 34cm [1]]