Tri-fold Semi-Double Bonnell Coil Mattress, White

White semi-double Bonnell coil mattress with diamond quilting design.

Specifications
Size: Width 120 x Depth 195 x Height 17 cm
[Number of coils] Tri-fold: 360
Weight: Approx. 21kg
Material: Surface: 100% Polyester
Internal: Bonnell coil springs
Color: White

Features
- Bonnell coil mattress that supports the body with a surface, offering a firm sleeping feel.
- Good breathability due to the coils not being individually wrapped in non-woven fabric like pocket coils.
- High density with 360 coils packed tightly together.
- Coil strength and durability: Wire diameter 2.1mm, SWRH67B Grade C.
- Uses Grade B for coil strength and durability, and Grade C for the highest strength.
- B: Indicates the manganese content of the spring, with Grade B being used for higher quality products compared to Grade A.
- C: Indicates tensile strength, with strength increasing in the order of A, B, C, making it the highest strength wire type.
- 17cm thickness for excellent cushioning!
- While typical mattress thickness is 12-16cm, this mattress is 17cm thick for enhanced cushioning.
- Hem processing protects the coils from the outside.
- The edges are securely stitched with a method called hem processing, protecting the durability achieved through coil arrangement and design from external damage.
- Tri-fold type for excellent breathability and convenience.

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