Blue Maple Glass Double Honey Comb Perc With Tree Perc And Splash Guard 20 Inches tall comes with matching color bowl. The bong has 19mm joint size. It has ice catchers as well which gives you cool smoke. It has bunch of tree percolators that makes it cool. The two honey comb perc gives you more filtration. Moreover, its has splash guard. It is made very heavy glass having weight 1430Gm.