SKE Crystal Disposable Vape Pen 20mg Nic Salt 600 Puffs ecig Bars Pod Juice Kit The Crystal Vape Bar 600 Puff is one of the latest additions to the disposable vaping market in the UK. This disposable device is pre-filled with 20mg nicotine salt e-liquid, making it a convenient choice for those who want a hassle-free vaping experience.