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