Réno Mat Leather Cleaner WebLaunchDate_2017-11-22 The lenses are made of

The lenses are made of tempered green mineral glass

It's got a heavy-gauge brass zipper

created by alternating white and colored yarns in a traditional poplin weave

And if you can hold off on washing them for a few months

For years we've been using an around-the-office portmanteau for this fabric

Réno Mat Leather Cleaner WebLaunchDate_2017-11-22 The lenses are made ofWe think Saphir makes the best shoe care products on the planet. Think of this product as a reset button for your shoes itll strip away dirt, old coats of polish, or buildup from cheap products. Because it's so strong, we dont recommend using Rno Mat for low quality leather itll eat the finish off. Two to three times a year at the very most, use a chamois cloth to apply a thin coat over the leather until no residue remains, and then buff clean.