At worldspipe.com we care about two things when it comes to oil vape pens, Quality and Affordability. with everyday growing market of vapable oils, it is hard to find a quality vape battery or kit that you can rely on. Most brands are overpriced or overdesigned and when it comes to customer service either they never there or resolution is never satisfying. WP Vape Pens are simple in design, built to last and affordable. SHIPPING IS ALWAYS FREE!! yes free and all the models are backed with 90 days warranty.