The product is a pair of LEGO Technic wheels with a size of 20x30, specifically designed for the Solid Balloon Technic set (Part 4266c01). These plastic wheels come in a polybag packaging and are part of the TECHNIC theme under the LEGO brand. Perfect for those who enjoy building and constructing with LEGO pieces, these wheels offer a durable and high-quality option for creating intricate designs and models.