Illustrative construction, not a product photograph
Plank Mattress
Plank Firm
- Construction
- All foam
- Height
- 9.5 in
- Observed
- Sep 27, 2026
Snapshot price from $1,332 · Queen · Observed: 2026-09-27T11:24:06.201Z
Same-size snapshot; promotions, tax and delivery may change checkout price. Confirm the selected variant with the seller.
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Check before buying
Motion isolation, cooling and pet-related antimicrobial performance need product-specific evidence. Construction alone cannot prove these outcomes. Ask the seller about test methods, care instructions, return costs and trial conditions. A mattress is not a medical treatment. Our selection is small and several brands share a parent company; it does not represent the entire market.
Prices expire after 24 hours and then stop qualifying for budget matches. Product facts are reviewed every 30 days and marked for rechecking after 45 days. Daily source availability checks do not renew factual review dates. Seller terms and checkout prices take precedence.
Suggest a correctionManufacturer-reported features
These are manufacturer claims, not measured performance or ranking points. A cooling option may cost extra.
Not independently tested
For pets, prioritize a suitable washable protector and follow the care instructions. Stains, odors or damage can affect return eligibility; antimicrobial claims do not establish pet safety.
Source ↗Trial and return terms
These terms cover eligible direct US purchases. Retailer, sale, custom-size and location exclusions may apply. Read the linked terms before ordering.
- Trial (nights)
- 120
- Adjustment period (nights)
- 30
- Listed return fee (USD)
- 99
Return eligibility and possible fees depend on condition, original purchase, support base and seller rules. Check the complete policy.
Observed: 9/27/2026, 11:06:01 AM
Source options (28)
Same-size snapshot; promotions, tax and delivery may change checkout price. Confirm the selected variant with the seller.
Price history
History starts with our first observation. Unchanged prices are rechecked without creating a price change. Values exclude checkout discounts, taxes and delivery.