All Interchangeable Components
12” Plush Top
Removable Cover
Supportive 609 foam-encased
pocket coils by
What makes our award-winning bed design a better choice?
- Replaceable zippered covers.
- Ability to clean inside and out.
- 50% lower cost of ownership by replacing parts instead of beds.
- 40%+ reduction in solid waste generated by old bed disposal.
- Adjust firmness at any time with available optional parts.
Made with Leggett & Platt’s 609 6” foam- encased pocket coils, the Sterling Imperial 620 mattress is a long-lasting option.
620 4-Diamond features:
- Cashmere blend ticking and 3” thick tack and jump quilted cover.
- Foam edge support.
- Fully foam-encased.
- Antibacterial and antimicrobial protection.
- 12” mattress height, including 6” pocket coils.
- Commercial-grade foundations.
- Earns two LEED points.
- 30 years of experience in the bedding industry.
- 10-year warranty.
All Sterling Sleep System mattresses meet the 1632, 1633
Federal FlammabilityStandards and California TB603.
U.S. patents: 7,191,483 and 7,386,903. Other patents pending.
Dimensions and Coil Counts |
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| Twin | 38" x 75" | 378/435 |
| Twin XL | 38" x 80" | 378/435 |
| Full | 54" x 75" | 540/609 |
| Full XL | 54" x 80" | 540/609 |
| Queen | 60" x 80" | 638/744 |
| E King | 76" x 80" | 812/930 |
| Cal King | 72" x 84" | 837/928 |
| Hotel King | 72" x 80" | 783/896 |
Total Bed Height |
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| Mattress | 12" | |
| Foundation | 8" | |
| Metal bed frame | 7" | |
| Total bed height | 27" | |
