arena Printed Masks not only offer protection but are also made from offcuts for reduced environmental impact. Crafted from MaxLife and MaxFit fabrics and lined with 100% propylene, these cloth masks are quick-drying, breathable and machine-washable. Plus they’re fitted with a filter pocket if you prefer adding an extra layer (not included). This product is not a medical device and is for personal use only. Masks cannot be returned for hygiene reasons.