TOPWEL 10ml/15ml/20ml/30ml/50ml Refillable PET Transparent Plastic Essential Oil Bottle with White Flip Top Lid (20, 15ml) Material: PET Plastic Color Transparen bottle with white flip top lid Easy to use and clean.Perfect for travel, and conveniently fits in your purse These terrific little jars that are perfect for essential oil samples or for blending small amounts of oils