This listing is for an infinity style collapsible pre-made hoop made with 25mm MDPE tubing (intermediate tubing) which measures 40" from outer edge to outer edge. 
Discounted by ten percent compared to a custom item of the same specifications, as it may have incurred some minor flaws in either storage or production. 
Will ship within 2-3 business days, compared to the two week build time for custom items.