1.Because it is seamless it will never break, no crease, no Slip, no damage and remove easily.2.Sets of 12 Extra Thick hair tiesStretch bands rope ponytail holders headband are good for thick hair, curly hair, straight hair and medium thick hair.3.Non-slip Good quality hair bands12 pcs tie comfortably and won't damage hair, made of high quality softer material.These thick elastics tie are convenient for girls and women to manage their hair. The thick stretch ponytail tie will never leave marks on the ponytail .4.The hair bands hold your hair tightly while working, sporting, playing, shopping or traveling, practical and beautiful hair accessories for you, also good assistant for your makeup and easy to DIY your own hairstyle.