4-inch high-density lumbar cushions — 2-pack, 19" x 19" U-shaped design Why you need these cushions - Immediate pressure relief and stable support: 4-inch high-density filling conforms to your shape to reduce pressure points while retaining firm support for long sitting sessions. - Keeps shape over time: engineered to resist flattening so cushions stay plush and supportive after repeated use. - Built for indoor and outdoor use: durable, fade-resistant and waterproof polyester covers protect the interior fill from sun and moisture, making these cushions practical for many settings. Key features and specifications - Size and shape: 19" x 19" U-shaped cushions, 4 inches thick — designed to fit most outdoor and indoor chairs and provide lumbar and seat support on hard surfaces. - Filling: 99.9% premium polyester high-density fill for a balance of softness and structural support. - Punch-Tech Design: circle-punching technology locks the filling in place to prevent shifting or clumping, maintaining uniform thickness and consistent support. - Quilted construction: distributes weight evenly and reduces sagging for daily use. - Cover material: fade-resistant, quick-drying, waterproof polyester that stays soft under sun exposure and resists wear across seasons. - Pack: includes two identical cushions. How this product solves common problems - Replaces thin, unsupportive chair pads with 4-inch high-density cushioning that reduces back and tailbone discomfort on hard chairs. - Prevents the common issue of shifted or flattened fill with locked-in Punch-Tech stitching and reinforced quilting. - Extends outdoor furniture life by using fade-resistant, water-shedding fabric that tolerates sun and brief moisture exposure. Practical use scenarios - Office or home desk chair: add lumbar and seat support on hard or low-padded office chairs to reduce lower-back strain during long workdays. - Patio or dining set: use on outdoor dining chairs and garden benches to improve comfort while resisting sun fading and light moisture. - Poolside lounger or outdoor recliner: place on loungers for cushioned support that dries quickly between uses. Care and maintenance - Spot clean only: use water and a soft brush for routine cleaning, then air dry. - Quick-drying, waterproof polyester minimizes downtime after light exposure to moisture. - For extended durability, store or cover cushions during prolonged harsh weather. Compatibility and performance summary - Designed to fit most outdoor and indoor chairs that accept a 19" U-shaped cushion. - Durable for daily use, engineered to retain loft and support without clumping. - Two cushions per pack for matched seating or paired use on a single bench or two chairs.