Spoiler alert: the process behind your favorite wines is wasteful. Stella McCartney’s S-Wave bag turns grape waste into a wearable accessory. McCartney’s new shoulder bag is one of the first pieces from a luxury designer to use “leather" made from grape skin, adding to the growing fashion-friendly salad of plant-based leather alternatives. “Twenty years ago, strictly using cruelty-free alternative materials made me something of an ‘eco-weirdo,’” McCartney tells Marie Claire. But that’s all changing. Tap the link in bio for more on how these pieces are brought to life.