Set of 20/40 pcs   4mm Thick, Strong,  Super Stretchy snag free Endless Hair Ties Elastics Bobbles Bands 

Large Strong  Thick Super Stretchy 

 Super Stretchy, Soft and Kind, and better quality than general ones. Great for  daily wear.

Last Longer than general ones.

Large SIZE:   Diameter Measures 5 cm / 2 inches (unstretched),  

Band Thickness Measures 4mm