UK British Flag The Union Jack Welcome Custom Doormat Door Mat Outdoor/Indoor Material : Durable heat-resistant non-woven fabric. Size : 23.6" ( L ) x 15.7" ( W ) and 3/16" Thickness. Non-slip doormat, backed with a neoprene rubber. A small doormat, add more fun to your life. Easy to clean, by shaking, machine-washable.