JIC Gem: Set of 4 Blue Dyed Brazilian Agate Coasters with Rubber Bumpers 3.5"-4" sliced from natural Dyed agate geodes.Includes 4 sets of 4 (16 Total) rubber bumpers to help protect your furniture. Assembly required. Approx. dimensions of each coaster in Inches (3.75 X 3.75 X 0.125); Approx. weight (2 Ounces). These coasters are dyed blue to accommodate a variety of decorative themes.Suitable for your red wine coasters, cups, or small capacity coffee cups, very good decorative materials. Use this unique,beautiful and fashionable nature sliced agate coasters, Make your home different, have a good mood every day. NOTE :If the drinks and drinks are sprinkled on the coaster, please dry it in time and avoid fading to your beautiful table.Each set's shape and color will be a little different due to natural material and you will receive one similar to the pictures shown.