The 300 ml bottle is made of polyethylene terephthalate (PET). The cylinder-shaped bottle is very concise and fits perfectly with various types of caps. The material of the bottle is resistant to fats, acids and moisture. Available in basic colors: transparent, brown and white The bottle can be completed with plastic caps made in a wide range of colors. We recommend the following models of caps for this PET bottle: Flip Top Start Flip Top Grib Disc-top Stealth