Bongjour!™ premium smoking devices are hand-blown of high quality borosilicate glass, producing a unique colour and style. Every hand pipe is properly annealed for long lasting strength and durability. Bongjour!™ premium smoking devices are hand-blown of high quality borosilicate glass, producing a unique colour and style. Every hand pipe is properly annealed for long lasting strength and durability. All Bongjour!™ hand pipes are designed for a smooth, clean tasting smoking experience.