Black adjustable elastic bands, 3 sets, 3.0 cm width, stretch 20 cm to 40 cm Key benefits Secure, adjustable fit: Wide 3.0 cm elastic provides stable support and even pressure distribution for wigs and caps. Easy to adjust: Elastic stretches from 20 cm to 40 cm to fit a wide range of head sizes and cap types. Ready for modification: Use these 3 sets of adjustable elastic bands for wig making or as an afteradded back elastic band to improve conversion rates. Clean appearance: Black color blends discreetly with most wig caps and hairpieces. Product features Quantity: 3 sets included for multiple projects or replacement needs. Size: Each band is 3.0 cm wide with an adjustable elastic range of 20 cm to 40 cm. Function: Designed to secure wigs, reinforce cap backs, and allow onthespot fitting adjustments. Compatibility: Works with lace fronts, readymade wigs, wig caps, costume pieces, and custom wig constructions. How it solves common problems Prevents slipping and shifting during wear by providing a strong, adjustable anchor at the back of the cap. Simplifies fitting adjustments without needing major sewing or reconstruction. Offers a discrete solution that maintains the look of the wig while improving stability. Practical use scenarios Custom wig making: Install the bands when constructing a wig cap to build adjustable support and a more secure fit. Wig or retrofit: Attach as an afteradded back elastic band to existing wigs to restore tension and improve wearability. Performance and everyday wear: Use for stage, cosplay, or daily wigs to reduce movement and increase wearer confidence. Simple installation tips Sew the elastic ends securely to the cap or interior of the wig at equal distances for balanced tension. Adjust length to match head circumference before final stitching. Test fit and trim excess elastic, leaving enough overlap for a reinforced stitch. includes Three sets of black adjustable elastic bands, each 3.0 cm wide with a 20 cm to 40 cm elastic range. This product provides a practical, unobtrusive way to improve wig fit and stability for makers, stylists, and wearers.