13 oz silicone wine glasses are opaque in color You will enjoy these13oz stemless wine glasses, made from unbreakable food grade silicone. The compact non breakable shatterproof wine glass is designed to look great and fit comfortably in any size hand yet be flexible enough to easily stuff in your pocket, backpack or bag. Hand wash only - BPA free, flexible, unbreakable, great for on the go! Wash by hand before and after use. Perfect for funny birthday gifts, wine lover gifts, lake house gifts, wedding gifts, bachelor or bachelorette party favors, cool camping gifts. 4 11/64" H x 2 11/64" D.