6cm 10cm Thick Pyrex Glass Oil Burner Pipe with Clear Test Straw Tube Burners Bubbler Smoking Pipes for Water Bongs

1.Tube Size of the 10cm one: OD 8mm thickness 1.5mm inner 5mm 2.Tube Size of the 6cm one: OD 7mm thickness 17mm inner 5mm 3.size of the bowl ball is about 18-20mm 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