The 4 ounce dome clear glass jar with child resistant push and turn cap is a perfect way to present your highest quality product. The glass is ultra clear, thick and has straight diameter for labels. It also has a foam leak proof seal, which keeps freshness in and smell from escaping. The surface of the glass has a finish that is perfect for labeling. Once you try our unique child resistant 4oz glass jars you will understand why they are superior to the rest of the market.