Memory Foam Lumbar Support Cushion (Large)
Turn any chair into back-friendly seating. The Memory Foam Lumbar Support Cushion cradles your lower back to ease strain through long workdays and drives.
Why you'll love it
- Sit strain-free — your spine stays aligned so the ache never builds.
- Molds to you — foam that hugs your back and holds its shape.
- Comfortable for hours — breathable fabric that stays cool as you work.
- Relief anywhere you sit — office chair, car seat, or couch.
Technical data
- Material: high-density memory foam
- Size: 17.3 × 25.2 × 4.7 in (44 × 64 × 12 cm)
- Color: Gray; breathable cover
Shipping, returns & support
- 🚚 Free US shipping — arrives in about 4–8 business days with tracking.
- 🛡️ 30-Day Buyer Protection — full refund if your order doesn't arrive as described.
- 🔒 Secure checkout — encrypted payment, guest checkout, no account needed.
- 💬 US-based support — questions? Call +1 (307) 274-4057 or email support@smartflexora.com.
Frequently asked questions
Tap a question to open the answer.
▸ What is it made of?
High-density memory foam with a breathable cover.
▸ What size is it?
17.3 × 25.2 × 4.7 in, in Gray. It's the larger of our two lumbar cushions and covers most of the backrest on a standard office chair.
▸ Large or the 5-color cushion?
This one is taller and supports more of the back; the 5-color cushion is smaller, lighter and easier to move between chairs. For a single office chair, this one.
▸ Where can I use it?
It's designed to support your lower back in an office chair, car seat, or on the couch.
▸ What is your return policy?
You're covered by our 30-Day Buyer Protection — see our refund policy for full details.
Ready to feel the difference? Add it to your cart today.
Why choose SmartFlexora
We hand-pick gear that actually fits real life — practical, well-made and genuinely useful. Every order is backed by our 30-day Buyer Protection, free US shipping and friendly US-based support — so you can buy with confidence and focus on what really matters: feeling your best.
🚚 Shipping & Returns
Free US shipping on every order · estimated delivery 4–8 business days · tracking link by email when it ships.
30-day Buyer Protection — damaged, defective or incorrect items are covered with a free replacement or refund. See FAQ →