Comfortable footrest made of single-sided fleece material, perfect for travel with its hammock-style design. - Color: Black - Material: Nylon - Inner Material: Fleece - Design: Hammock-style - Usage: Footrest Thank you for viewing. This reduces foot strain and alleviates swelling. It's a convenient item that allows you to maintain a relaxed posture by resting your feet and calves, even during long flights or Shinkansen travel. I've used it about twice, but I'm selling it because I have too many similar items.