Twitten Texting Mittens 50% alpaca, 30% wool, 20% acrylic or 100% acrylic allows you to use your phone or other electronic devices while keeping your arms and hands warm removable thumb and fingers perfectly coordinates with the Twitten so you and your mate can keep both of your hands warm small/medium: cuff measures 3.5" L, glove measures 6.75" L, medium/large: cuff measures 3.75" L, glove measures 7.25" L 100% handmade