material durability use This beautiful 30th Birthday Cake Topper has such an impact on shelves - it's simplistic design ensures that it's suitable for every 30th birthday cake. Made from a very durable 3mm mirrored acrylic with a sturdy 9cm tall stick it is very unlikely to break in transit. We have sold over 300 of this product to individuals and have over 500 5* reviews on Etsy for both our products and our customer service.