Black Rayon Strap (18mm)Our Rayon Straps are made from a semi synthetic fiber from natural sources of regenerated cellulose, such as wood and related agricultural products they are highly durable and waterproof. These straps measure 120x75mm, have an 18mm lug end which tapers to 16mm at the buckle, feature quick release spring bars and an engraved Marloe icon polished buckle (if you require a matte buckle for your Aerodyne please detail this in the Notes section in the