About this item 100% Poly Fiber Fill/Pvc Non Slip Backing PERFECT FIT FOR YOUR CHAIR - This set has two cushions, one u shaped rounded square (bottom) cushion and one rectangle (upper). The upper measures 21" x 17" and the lower measures 17" x 17". These dimensions are a perfect fit for almost all rocking chairs for your living room, play room, bedroom, baby nursery and even outdoor patio chairs (we do not recommend leaving these chair pads outside, but may be used on outdoor chairs and…