Warranty--Up to 12 months days No reason to return or exchange. Save time and effort grinding herbs and loading cones with a smart all-in-one system from JOUGE. Grinding and rolling herbs can get messy, especially if you¡¯re using a bunch of different tools and accessories to get the job done. That¡¯s why we created the Portable Herb Grinder that lets you pop open the grinder, load in a paper cone and raw materials, and twist out perfectly packed cones in just 30 seconds. Offering the smoothest, finest grind with precision grinding this hassle-free system is made for modern herb aficionados. Product Details:Size:16.5x4.8x4.8cmWeight:110gMaterial:Plastic Package Inculde-- 1x herb grinder with Loader Filler,12pcs xPre-Roll Cones,1XBrush. Perfect roll in secs 30secTriple Polished &Scratch Resistant, Transparent Design lets you see the process from Start to Finish.STORAGE with tight closure for freshness and odor control.Compact & Portable - Grind, ROLL & PACK in seconds with no mess, even on the go.Mess and Hassle-Free Grinding Washable and Reusable Suitable For--Pre-rolled cones,from 84mm to 109mm.