Dimensions: Assembled: 6" x 4.5" Hoops: 2" x 4.12", 2" x 5", 2" x 6" Base: 3" x 1.25" x .25" HAND WASH ONLY Bring the wizardly to your fish tank with Quidball hoops from the popular game of the Magical World for your fish tank! These hoops will transform your aquarium into a magical arena where fish can swim through hoops just like Quidditch players. These hoops provide endless fun for your fish while adding a touch of enchantment to their underwater world. This set includes 4 pieces: a base with three holes for the hoops to slot into and 3 hoops of varying heights. Glue is not necessary for construction, but make sure to use a tank safe glue if you do choose to glue the pieces in place. The base can be buried under the sand or gravel of your tank for extra sturdiness. Hoop inside diameter is 1.5" Return Policy Due to the personalized nature of our made-to-order items, we regret that we are unable to accept returns or exchanges unless the item arrives damaged or broken. In the event of such an occurrence, we kindly ask buyers to provide images of both the damaged product and its packaging within 3 days of delivery to qualify for a return, exchange, or refund. Cancellation Policy We accept cancellations as long as the request is made promptly after your purchase. If you wish to cancel an order after it has been shipped and delivered, please contact us to arrange a return as per our return policy.