Good Wood By Leisure Arts Coasters come from sustainable forests helping you organize your life with durable, lightweight, and environmentally-friendly products. Wood is a natural product that will vary slightly in appearance. 4"x 4" Square 6mm Thick With Rounded Edges Bulk 4pc- Great for home decor and DIY craft projects. Decorate with paints, stains, embellishments and more. Each coaster measures approximately 4"x 4"x 0.25".