This White Rhino glass straw is made from high-quality pyrex glass and stands 5" tall x 12mm. This glass dab straw also features a silicone cap to keep the tip from getting dirty. Works best with silicone jars or a dab dish. Pyrex nectar collector is ideal for low temperature use. If you like to use high temperatures with your glass straw you may want to go with our Quartz Glass Straw.