Description: Top Puff Portable Water Hookah Screw on Bottle Converter Top Puff Multi Bottle Converter The top puff is an ingenious device meant to convert most universally threaded bottles into a portable rig. Desc: PORTABILITY, The 2 in 1 system makes this the easiest rig to carry anywhere. Perfect for camping, hiking, road tripping and traveling. DISCREET, Small size with no metal parts. The TOP piece detaches for easy stashing! All plastic and glass, therefore avoid the Metal Detectors. EASY TO CLEAN, Simply wash it under warm soapy water to rid of any mysterious odors Specifications: 2018 high quality Top Puff Portable Water Hookah Screw on Bottle Converter Package Included: 1x Portable Water Hookah Screw on Bottle Converter Notes: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!