First i thought they might not be ... after applying heat to the sides of it,they become strong enough and rough edges have gone. u can make more then 3 bangles using one plastic bottle (may be more depending on the width ). Thanks for Watching :
by Paint With Roshan
by PRAVINA'S ART
by beadshop1
by Crafts Space
by AmandaMoor & Craft Ideas
by 3D Crafts
by easy origami