Well, we're glad you asked! Other beauty rollers and gua sha products are typically made of porous stones like rose-quartz and jade that can easily trap bacteria in their grooves. Worse, the mining of these stones has a large carbon footprint and a highly negative impact on the environment. SACHEU Beauty’s 100% stainless steel tools are non-porous and anti-bacterial, as well as recyclable and non-toxic, minimizing their environmental impact. To top it off, our packaging is made with FSC certified recycled cardboard. Making the entire experience friendly to skin, and to the planet.