Securely holds spools in place to prevent loose tension and tangling of threads. Made of environmentally friendly, odorless, and durable silicon material for long-lasting use. Wavy design improves durability and aesthetics, ensuring the protector retains its shape. Effectively prevents threads from tangling due to pets or children, maintaining thread tension. Ideal for organizing and managing embroidery and sewing threads, eliminating messy tangles and lint. Description: Introducing the bobbin Spool Protective Cover/Hoop, the perfect solution for organizing and protecting your embroidery and sewing threads. Made of environmentally friendly elastic silicon material, this spool protector is designed to securely hold spools or spool boxes in place, preventing loose threads, lint, and tangles. Its wavy design improves durability and aesthetics, while its ability to curl back to its original shape makes it suitable for repeated use. Not only does it maintain thread tension and simplify thread management, but it also prevents threads from being tangled by pets and keeps them safe from children. Say goodbye to messy spools with the bobbin Spool Protective Cover/Hoop - the ultimate tool for thread organization and protection. Item Name: Thread Holders Material: Silicone Function: Prevent Thread from Falling Off, Store Bobbin Features: Curled, Hold Tight, Great Tenacity Size Details: Length: 2cm/0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 Pcs: 10 x Thread Holders or 100pcs: 100 x Thread Holders