-Using 304 stainless steel blade, it is not easy to rust, corrosion-resistant and wear-resistant, and can stay sharp.-No electricity required, hand-crank design allows you to make smoothies anytime and anywhere.-The bottom container adopts a transparent design, making it easy to observe the production progress.-All parts can be separated for easy cleaning.-Suitable for gatherings, camping, parties, barbecues, homes, dormitories, offices, etc.