Includes:

4 Silicone Stem Caps.  Made with high quality silicone, food / medical grade, heat rated for use with cool & hot Glass Aroma Tubes.

Compatible with all Arizer Air Glass Aroma Tubes and Solo Glass Aroma Tubes.  Can be used when pre-loading Glass Aroma Tubes, and / or protecting pockets, purses, and surfaces from hot glass. 

Note: Glass Aroma Tubes not included.