<p>Material: Made of K9 Crystal which offers a high refractive, It's solid and translucent, have a good feeling in hands.</p><p>Diameter of each: 40mm(1.6inch), net weight for each: 80g(2.8oz).</p><p> Natural color: Come with 8 different colors, it's natural color not coating color, will never fade.</p><p>Gemstones for kids: There are 8pcs crystal balls in different color, great for kids to collect as a pirate gems and jewels, also fill them treasure chest or play as a treasure hunt.</p><p>Decoration ornaments: Good additional item for your home/office/room decoration, as well as used to decoration your fish tank/glass vase/glass jars.</p>