Foam & firmness
Confirm the hand feel before color, cover or carton work begins.
- Core: Q-bounce memory foam
- Density, firmness and rebound can be tuned
- Foam core reference weight: 500 g
An S-hug starfish lumbar cushion with fully fitted curves — one side hugs the lumbar curve, the other fits the seat back. Dual-wing extensions support both sides of the lower back and stabilize posture, while a central streamline ridge follows the spine.
Studio and in-use photography of Starfish Lumbar YK003 — human-scale hero plus structure, height and sleep-position detail shots for product pages and buyer decks.
Standard lumbar cushions support only the spine's central ridge, leaving the paraspinal muscles on both sides unsupported — which is why lower-back fatigue returns after 2-3 hours of sitting. The Starfish Lumbar extends dual wings that wrap the sides of the lower back, stabilizing posture laterally as well as sagittally. This design-patent S-hug geometry is what differentiates it from flat lumbar rolls in blind seated-comfort tests, where it extends comfortable sitting time by approximately 40%.
Both sides are fully fitted: one hugs the lumbar curve, the other fits the seat arc. Dual-wing extensions support both sides of the lower back to stabilize posture, and a central streamline ridge follows the spine so long sitting stays comfortable. The high-density nylon-lycra cover is durable and breathable.
One side hugs the lumbar curve, the other fits the seat back.
Wing extensions support both sides of the lower back to stabilize posture.
A central streamline ridge follows the spine for long-sit comfort.
Fills the seat gap to relieve lumbar fatigue across settings.
The fields below are the standard product-detail template fields. Future product pages can reuse this same structure by replacing model-specific data.
| Model | YK003 |
|---|---|
| Product size | 48×34×15 cm |
| Foam core weight | 500 g |
| Finished weight | 600 g |
| Filling | Q-bounce memory foam |
| Inner fabric | None |
| Outer fabric | 230g nylon double-knit fabric |
| Packaging | PE bag roll-pack 16×16×34 cm; carton 60×34×47 cm / 12 pcs |
| Patent | Design patent |
Use this checklist to lock the sample direction before tooling, quotation and packaging proof. Later product pages can reuse the same structure by replacing the model-specific values.
Confirm the hand feel before color, cover or carton work begins.
Match the surface touch and brand marks to your retail channel.
Check compression, carton size and shelf presentation early.
Align the product story with photography, listing titles and buyer decks.
Send target market, quantity, cover preference and package direction. SensaRest will reply with sample direction, quote and OEM feasibility.