Make Sure the Product Will Fit Your Tub. It is very important to make sure you measure your tub correctly to ensure the Walk-Thru Insert will fit. You can find our complete sizing guide in the product photos above and a step-by-step sizing video available online and on YouTube Compatible with the Quick Tub Cap for a fully convertible bathroom experience Smooth design is easy to clean and matches your existing bathtub Can be installed on all bathtub types steel, fiberglass and cast iron Includes 1 insert, 1 cutting template, 2 tubes of industrial strength adhesive, 1 nozzle extension and instructions Fraction of the cost and time of traditional renovation options Unique design provides extra step-through depth, even in soaker tubs