The perfect 0.5 oz Medical Herb Storage & Travel Container The TV2 is a good purse and small pack back size. Terrific storage container for vitamins, homeopathic medicine, prescription drugs, herbs, cosmetics and jewelry. Ideal for Q- tips, make up, small cell phones as well as MP3 players, toy soldiers, cash and change. The Tightvac easy to use patented system creates a vacuum seal simply by pushing the press button, pull the cap up to open and to close push the button and push cap down, it????s that simple! Note: For Medical herbs that are sticky & smelly we recommend using a bag inside the Vac. This keeps the area clean where the body and the cap meet and also helps to create a smell proof situation. Thus maximizing the efficiency of use and longevity of the product. The Vacs tend to keep goods dry ? A moisture disk may want to be used according to personal taste. Don't leave home without your Tightvac! Makes a great Wedding & Christmas gift, or Birthday present. Dimensions: 3-3/4"tall x 3" diameter (9.5 cm tall x 7.5cm dia) TV2 Capacity: ???? oz / up to 25 grams / 0.29 liter (Amount depends upon density of product) Unique, easy push button vacuum seal system keeps dry goods Fresher for Longer Airtight and Moisture Free ? Dry goods can last for 1 year and beyond BPA free, FDA & EU approved food grade polystyrene, durable and recyclable