DETAILS Made out of a durable, lightweight elastic nylon webbing Durable water repellent coating for enhanced performance Metal-free micro-adjustable buckle for ease of use at airport Machine-washable design so you can leave belt in the pants SPECS Best Use:   Multisport, Travel Material:   90% Nylon / 10% Rubber Buckle:   Nylon Width:   1.5 in Length:   One Size Fits Most, up to 40"