Two nylon zippers designed for sewing crafts clothing and accessories come in a two piece pack. Each zipper is size 5# (width about 5 mm) and available in lengths of 80 90 100 120 or 150 cm. The zippers feature resin double sliders for two way opening and an auto lock mechanism to hold the slider in place. They are described as closed end lock zippers with open end and two way open capability for versatile use. Key benefits Durable nylon zipper tape with resin sliders delivers smooth operation and reliable closure. Auto lock mechanism helps keep the zipper in place when needed, reducing slipping. Double sliders enable two way opening for easy venting and access on jackets bags and crafts. Closed end design with bottom stop provides secure, non separating closure where required. Available in multiple long lengths (80 90 100 120 150 cm) to fit a variety of garments and projects. Pack contains 2 pieces, offering convenient replacements or two projects at once. Key attributes Material: nylon zipper tape with resin pullers Type: closedend lock zippers with auto lock and twoway operation Sliders: double sliders for twoway opening Length options: 80 cm 90 cm 100 cm 120 cm 150 cm Pack quantity: 2 pieces Size: 5# (approximate 5 mm wide) Style: openend twoway open zipper capability combined with closedend lock design Available lengths and compatibility Length options to suit jackets down to details on sleeves bags and DIY projects Compatible with sewing projects that require a sturdy twoway zipper with locking slider Use cases Down jacket repairs or DIY updates where twoway opening is helpful for venting and comfort Sewing and crafting projects such as coats vests bags backpacks and outerwear Replacing worn zippers on sportswear outerwear or bags where a secure autolock twoway zipper is desired Performance considerations Resin sliders provide durable operation with smooth movement Nylon zipper tape offers flexibility and strength for everyday use Auto lock helps maintain position during wear or transport Notes The product is sold as a 2 piece set in size 5# with length options 80/90/100/120/150 cm Features include closedend lock design, openend capability, auto lock, and twoway operation with double sliders This description reflects the product's brand features and specifications: nylon zippers, size 5, two pieces, lengths 80/90/100/120/150 cm, double slider resin pulls, auto lock, twoway opening, and applicability to down jackets and DIY sewing projects.