Custom Logo Slate Coaster Features: -Natural Slate coasters with non-skid feet, measuring approximately 4" x 4" x 3/8" -Your logo professionally laser engraved on the top of each coaster -Select the "Customize this item" box to leave the business name for this product - Sold individually. Will not come packaged or Lillie Pad branded unless requested. -Design Proofs available for your approval by request. For ordering in pre-tied gifting sets of 4 coasters, see our other listing. Email logo files to info@thelilliepad.com. Please note: Slate is a natural product and commonly includes natural mineral inclusions such as pyrite and quartz (see photos). The rough outer edges and corners of these coasters may be brittle and have tiny chips after shipping. Also, the border of the slate may not be perfectly square due to the way they are hand-shaped during manufacturing. These are all normal occurrences for these coasters and not considered flaws. However, if your co