SLEEVE for 13" MacBook Pro Retina (charcoal) SLEEVE is a simple way to carry and protect your device. It's made from 100% natural and sustainable wool felt in Minneapolis, USA. provides a snug fit, 1/8" thick felt, great in airports sits flat to provide a resting place to protect your device (great in coffee shops) Made of thick 3mm German-made 100% natural wool, a sustainable material MADE IN THE USA, a timeless and natural feel