These stoppers can be stacked for door gaps up to two inches.
Brad's Deals Editor Jason,
This 4-Pack of Rubber Door Stoppers in Black, originally $16.99, is on sale for $12.28 at Wundermax via Amazon. Shipping is free when you use a Prime account or free Prime trial. Shipping is also free when you spend $25 or more. Otherwise, it adds $5.99. These sell for $24 elsewhere. These stoppers can be stacked with the included clips for door gaps up to two inches. They also include storage holders with adhesive backs. Note that other colors may have additional cost. Sales tax is charged in most states.