Phoenix Star Steamrollers Pipe11.8 Inches PHX586 is a portable glass steamroller. A steamroller is a special pipe with both ends open and a small bowl closer to one end. Steamroller bong is very easy to use. You pack the bowl with anything smokable. Then cover one side(the one closer to the bowl) with a finger and put the opposite side in your mouth. Light the bowl until the chamber is full of smoke. Now you can enjoy the smoke after uncovering the hole. This glass steamroller pipe features a longer glycerin coil for cooler hits. Please put this glycerin coil steamroller in your fridge for 1 to 2 hours before inhaling, then you can enjoy the smoother and cooler flavor. Our steamroller is hand blown of solid and durable Boros glass. And this freezable steamroller is also equipped with small legs for better stability. There are three colors: black, blue, and green available. Phoenix Star offers FREE SHIPPING on all orders.