4149 - 4146: 产品细节图：[展示塑料自封袋4#的图片] 产品性能：双面12丝，材质厚实，封口紧密。 用材：优质塑料，具有良好的柔韧性。 参数表： 型号：ASL-12-4 - ASL-12-6 尺寸：85120mm（4#）、120170mm（5#）、140*200mm（6#） 丝数：双面12丝 包装：100/包 型号：ASL-12-4 - ASL-12-6 用途：可用于存放各种物品，如文件、工具等。 包装：100个/包，便于收纳和携带。 使用说明：轻松开合，重复使用。 售后服务：提供优质服务，确保用户满意。 Product Details Image: [Show the picture of Plastic Self-Sealing Bag 4#] Product Performance: With 12 threads on both sides, the material is thick and the seal is tight. Materials Used: High-quality plastic with good flexibility. Parameter Table: Model: ASL-12-4 - ASL-12-6 Size: 85120mm (4#), 120170mm (5#), 140*200mm (6#) Thread Count: 12 threads on both sides Packaging: 100/pack Model: ASL-12-4 - ASL-12-6 Usage: Can be used to store various items, such as documents, tools, etc. Packaging: 100 pieces per pack, easy to store and carry. Instructions for Use: Easy to open and close, reusable. After-sales Service: Provide high-quality service to ensure user satisfaction. 4147 - 4149: 与4144 - 4146类似，不同之处在于尺寸和型号。 Similar to 4144 - 4146, the difference is the size and model.