Amazon.com: PONY-O All-in-One 4-Pack – No Damage Volumizing 。4 pc Hair Ties Medium — The perfect everyday ponytail hold! Size: Medium Color: Light Brown, Brown, Dark Blonde, Gray Condition: Brand new, no flaws. Features: These are the most versatile size for all your hairstyles — from sleek ponytails to updos. The revolutionary bendable design with a silicone-coated copper core means they hold hair securely without pulling, snagging, or denting. Lightweight and gentle on your hair, they stay in place through work, workouts, or play. Great for adding volume and polish to any style. Material: Copper, Silicone Measurements: Item Weight: 2.8 ounces Great for: Everyday wear, active days, or creating fuller, more polished looks effortlessly. Ships quick from smoke-free, pet-free home. Friendly seller. Bundle & save!