The GRAV vapor straw is 7" long and made on 9mm tubing. Each straw is accompanied by a thick glass dish. Plant extract is applied to the heated dish, and the straw is used to inhale the resulting vapor. Its tapered tip and pinch restriction are designed for safe vapor consumption, and its marble roll stop keeps the straw secure between uses.
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I love the product me and my family have purchased this many times the only setback there is no lid for the glass container which renders it useless because you wouldn't want foreign objects falling into your productBut overall it's a very good product and I will order again