Feature: 1. Premium Polyester: These serger sewing thread are made from premium polyester, which is sturdy and durable, not easy to wear and break. 2. Hand or Machine: These serger sewing threads are suitable for sewing machine or hand sewing and hand embroidery. 3. Widely Used: These serger sewing threads are widely used in daily quilting, serger, overlock, piecing, machine sewing, other hand sewing crafts, etc. 4. 4 Pieces: The package includes 4 pieces white serger sewing threads that could meet your different needs. 5. Ideal Gift: These white serger sewing threads with delicate texture are ideal and practical gift for your friends and family. Specification: Item Type: Serger Thread Material: Polyester Product Specification: Four Application: Household Use Application Scope: Most Scenarios Product Size: Approx. 11.3 x 5.7 x 4.5cm / 4.45 x 2.24 x 1.77in (Manual Measurement, Slight Error May Exist). Package List: 4 x Serger Thread