Quality stainless steel saddle flasks and saddle leather cases come in two Colors black and brown. The leather case has an adjustable buckle top strap which attaches to the D-ring at the top of your saddle and a bottom strap which is attached to the girth adjustment strap. Flask Capacity: 330 ml or 11 floz (1/2pint approx) Flask height/ length : 27cm (11") Flask diameter at top : 52mm Flask Diamter at bottom : 30mm Flask Stainless Steel with New Captive Top Case Material 4 mm thick Stiched Saddle grade leather.