The new poppers from Poppers Wholesaler. Once solid poppers land on your shelves, sales will seriously take off. There are a number of advantages to solid poppers. Packaged in a metallic box, solid poppers made from propyl nitrite can be easily transported and used wherever you wish, under any circumstances. They don’t leak, stain or evaporate. What's more, the “solid” version still gives off the best poppers aromas.