Description Foam Rectangle Niche 16×24 Inch This is a lightweight, high density polystyrene with a liquid waterproof coating. The niche is 100% waterproof and ready to tile out of the box. Square in shape, measures 15.75″ x 23.75″ with 4″ recess. 15.75″ x 23.75″ x 4″ 1/2″ Flange Thickness 100% Waterproof Rectangle Shape With Shelf Quantity (1)
