Gorilla Grip Heavy Duty Couch Cushion Support Board to Fix Sagging Sofas, 21.5"x70" Sofa, Thick Plywood Boards Add Strong Seat Supports, Stays in Place, Replacement Stuffing Under Couches, Gray

ADD STRONG AND DURABLE SUPPORT TO SOFAS - Easily and quickly upgrade your sagging sofa with our high quality, ultra-resistant plywood support board; Adds more support and comfort to sofas with sagging frames, cushions or worn springs; Our boards are 54.6 cm wide to cover more area, providing more support Ultra durable plywood boards of 109.2 cm thickness: unlike other brands that use MDF or particle boards, ours is made from high-quality plywood 109.2 cm thick which is naturally stronger and more durable; the support board can hold up to 181.4 kg Stays in Place: Designed to stay in place on sofas, the board features hundreds of PVC non-slip points on the underside; the points help adhere to the sofa frame and prevent the board from moving during daily use; the individual panels have rounded corners to reduce the risk of tearing the cover Easy to install: extremely easy to install in minutes; simply remove the cushions from the sofa, unfold the board and apply it over the width of the sofa frame with grip points on the underside; add the cushions to the sofa on the top of the board FOLDABLE & STACKABLE FOR UNIVERSAL FIT - The boards come in standard sofa sizes for a perfect fit, but can also be folded and stacked to accommodate smaller loveseats and sofas. We recommend that you measure your sofa before purchase; measure the width of your sofa seat from the left inner arm to the right inner arm; this support board measures 69.99 inches