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Fabric

Classical Stripe Warp Knitting（Warp knitted fabrics have good extensibility, softness, wrinkle resistance, stability, non-dispersibility, air permeability, warmth retention, crimping and so on.）

Inner timber

High-grade sponge(Density sponge, after special treatment, can effectively prevent the multiplication of mites and bacteria, absorb the excess heat of human body volatilization, automatically exert, breathe and absorb moisture, suit your body weight change.)

Spring

2.3-wire 3.5-core 6-ring high-strength carbon-manganese steel spring, high-temperature treated high-manganese-carbon steel spring, durable, high-density spring row number, giving strong support to all parts of the body while balancing and dispersing human pressure

Auxiliary materials

500 G Green Cotton + Parallel Network