Description from Velo Orange:
The Moderniste Bottle Cage continues to be a favorite for retro and contemporary bikes. The elegant, minimalist design securely holds a plastic or stainless steel water bottle. This beautifully polished cage is made from lightweight, tubular stainless steel, so it is strong and exceptionally lightweight (43g).
The cage can also be squeezed inward or expanded to get the perfect fit for your preferred water bottle.