pitara (5-10 pack) ultra premium glass tube - cigarette tip holder - glass rolling tips bulk (5) pitara 100mm long (4") - 2mm thick - high premium refined glass. tastier flavor and smoother puffs. toke all the way down without worrying about your filter burning. reusable & easy to clean. use them as many times as you like and enhance your smoking experience over and over again. size:12*100mm length :100mm internal diameter: 8mm external diameter: 12mm thickness:2mm