LAVEVE Heavy Duty Couch Cushion Support Board for Sagging Sofa, 21.5''x70'' Extra Thick Solid Wood Under Couch Insert with Anti-Slip Dots, Repair Sagging Spring Sofa and Replace Worn Cushions

BIG UPGRADE LAVEVE couch support is upgraded with a multilayer solid wood composite structure, providing firm yet comfortable seating. Each board can withstand up to 400 lbs, ensuring long-lasting durability. The foldable, widened design fits different sofa sizes and offers flexible adjustment. Perfectly solves the problem of sagging couch cushionsmaking your sofa feel as supportive and new as day one. | FIT FOR ALL SOFA TYPES - Offered in 19 compatible sizes, LAVEVE cushion support fits everything from chairs and loveseats to large sectionals and deep sofas. The foldable couch support is easy to adjust and combine for a perfect furniture fit in any living space. | ANTI-SLIP OXFORD FABRIC COVER - Wrapped in heavy-duty 600D Oxford fabric with silicone dots for grip. This under couch cushion support stays firmly in place without sliding, keeping your couch cushions and frame stable during daily use. | SAFE ROUNDED CORNERS - Every edge and corner is carefully rounded and polished, providing safe, comfortable sofa cushion support for families with kids and pets. Works perfectly as a couch cushion replacement, providing firm sofa cushion support and extending your sofas life. | INSTALL IN SECONDS - The easiest way to fix sagging couch cushionsno tools required. Simply remove cushions, place the under couch cushion support on the frame, and put cushions back. Instantly restore firmness and comfort. Backed by LAVEVEs quality warranty for lasting confidence.