Our M-shape butterfly springs are engineered to reinforce mattress edges, minimize roll-off, and improve long-term shape retention. The contoured “butterfly” geometry increases lateral stability while keeping the seating edge comfortable and resilient.
Specifications
Item
Spec
Wire Material
High-carbon steel
Wire Gauge
1.8–2.3 mm(Customized)
Shape
M-shape butterfly
Height
40–70 mm(Customized)
Width
60–120 mm(Customized)
Surface Finish
Galvanized / phosphated / anti-rust coating
Compatibility
Pocket spring / Bonnell / Continuous
Packaging
Carton + pallet
Features
Better Sitting Edge – Provides stable edge support to prevent mattress sagging or collapse when sitting.
Enhanced Durability – Maintains strength and elasticity over long-term use without deformation or fatigue.
Consistent Sleep Surface – Ensures balanced pressure distribution between the mattress center and edges.
Manufacturing Efficiency – Standardized dimensions make assembly faster and more consistent in production lines.
Custom Engineering – Sizes, wire gauge, and shape can be optimized according to your mattress structure.
Usage
Hybrid & Innerspring Mattresses – Ideal for reinforcing edges and preventing roll-off.
Hotel & Hospitality Projects – Designed for commercial-grade durability and long-lasting performance.
Premium Roll-Off Control Designs – Used in high-end mattresses that require enhanced perimeter stability.
Seat Edge Reinforcement for Sofas – Perfect for sofa cushions and seat-edge strengthening applications.