4 Inch Mini Glass Oil Burner Bong Water Pipes with Thick Hookah Pyrex Recycler Hand Dab Bongs for Smoking Small Rig Pipe

1.Tube Size of the bong: OD 40mm 2.Tube Size of the straw tube: OD about 20mm 1.5mm thickness 3.size of the bowl ball is about 23mm 4.all clear glass straw tube , so that can see clearly when u use it,have fun with this product. 5.We are an professional supplier on DHgate.At the same time we are also a very powerful manufacturer in China.Maybe we are not the biggest company,but the quality of our products and the price absolutely make you satisfied.Every item you bought from our company has been tested strictly before