Our 4 ounce plastic bottles with caps are translucent (semi-transparent) allowing you to see the contents. The bottle is made of FDA compliant low density polyethylene (LDPE) plastic and have very good impact resistance . The cap is made from FDA compliant polypropylene (PP). LDPE bottles can handle temperatures of 175°F (80 °C) continuously and 203 °F (95 °C) for a short time. These are not microwave safe. Dishwasher safe top rack only Our plastic dispensing bottles are great for condiments, sauces, glues, paints, oils, inks, icing, craft activities, ecig juice and many more uses. Bottle measurements- 4 7/8 inches high without the cap on, 1 5/8 wide and 6 1/2 inches high with the cap on