The NoGoo Non-Stick Container is the perfect storage device for your wax or concentrates. They are made from 100% silicone and don't leave behind any sticky substance or residue. That means you'll be able to use 100% of your wax or concentrate. Absolutely no waste. The reusable containers are heat resistant up to 450 degrees and are Freezer/Microwave/Dishwasher safe. These 10mL non-stick jars come in four color options.