The colour best described is a darkish silver / grey. Beading along the top with a big fixed bow. Zipper up the back. (Yes the zipper closes all the way up, just not on my mannequin, see photo) Silicone along the top on the inside to help support the dress from moving.
The size is in the Title and it gives you a size range and not one specific Size. The measurements are supplied so that you can check against your own clothing. Sleeve: Strapless. Closure: Zipper at back.