Normal 1.spring mattress construction: TOP: *jacquard fabric *1.5cm quilting foam (super soft foam 25 kg/m3) *white healthyfelt 600g/m2 * PKfelt with heated treatment 500g/m2 SUPPORT: *superlastic continuousspring BOTTOM: *white healthyfelt 600g/m2 *PKfelt with heated treatment 500g/m2 *1cm quilting foam (super soft foam 25 kg/m3) *jacquard fabric 2.mattress, compressed mattress, spring mattress, continuous spring mattress characteristic: Medium-grade jacquard single stitch pattern, econnomical, suitable for the masses 1.mattress component with elastic polyurethane foam 2.elastic polyurethane foam brings your body every part close with mattresses make you feel comfortable and at ease 3.Thickness: 8" or as clients' request, foam density 25kg/m3 4.adopt high qualitycover fabric soft germproo 5.superlastic continuous spring which can be compressed packing 3.Size SIZE HEIGHT QTY FOR NONCOMPRESSED QTY AFTER COMPRESSED IN 40HQ QUANTITY OF SPRING Single(Twin) 39”*74”/99*188cm 7”(18cm) 93pcs 730pcs 490coils Double(Full) 54”*74”/137*188cm 7”(18cm) 122pcs 528pcs 595coils Queen 60”*80”/152*203cm 7”(18cm) 146pcs 440pcs 760coils King 78”*80”/198*203cm 7”(18cm) 202pcs 338pcs 988coils Guarranteed: 1. Create your own brand 2. Provides the specification according to your requirement 3. Resonable price with high quality goods warranty 4. Win-win profit, less profit for us, more for you 5. Srtict quality control 6. On time delivery schedule 7. 15 years warranty Packing: packed with water-proof plastic after vacuumize .solid batten reinforce the ouside.