Details No metal design to prevent damage to hair Includes 40 thin elastics Ideal for thin hair DCNL No Crimp Ponytail Hodlers feature a no metal design to prevent damage to hair. The small size is ideal for thin or children's hair. This elastic ponytail holder holds hair securely for people on the go. DCNL No Crimp Ponytail Holders can be warn in conjunction with other hair accessories such as barrettes and headbands to create popular hairstyles.