This Personalised Rainbow Face Covering can be personalised with 2 lines with up to 20 characters available per line.Personalisation will appear in fixed upper case. Material: 2 layers, outside Polyester, inside cotton. 100% polyester outside. 100% cotton material inside. Comes with adjustable ties that can be fitted to ensure you get the perfect fit. This face covering also comes with 2 filters (12cm x 8cm). Further filters are widely available to purchase online (search for: PM2.5 Replaceable Filters for Adult) Please note the filters are not washable however the face covering itself can be hand washed. Mask Size: 13x17.8cm (approx.)