Handmade one at a time by artisans using century old pressed glass techniques. The first known reference to these glasses known as Osmall spikesO is from Portugal goes back to 1901. It is fascinating how a century old design remains to this day so fashionable 11oz capacity Glass Avoid Frequent Use In Dishwasher, Short Cycles At Low Temperatures Are Recommended. Made in Portugal Your account will be credited within 48 hours after this item ships. The Account Credit is not valid for prior purchases or balances and must be used within sixty (60) calendar days after the Account Credit is deposited into your account (the "Account Credit Period"). Upon expiration of the applicable Account Credit Period any unused Account Credit will automatically expire.