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Serta iDream Upscale 30.5 cm (12 in.) Hybrid Mattress or Set
Twin
$57.85
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Serta iDream Upscale 30.5 cm (12 in.) Hybrid Mattress or Set
$57.85
Best Edge foam encasement is an extra deep foam rail around the mattress to help reduce edge roll-off and extend the sleep surface
Features:
- Coil count: king: 1,610; queen: 1,250; double: 1,011; twin XL: 673
- 5-Zone coil system provides targeted support
- Best Edge foam encasement is an extra deep foam rail around the mattress to help reduce edge roll-off and extend the sleep surface
- CoolTemp cover powered by REPREVE
- 2.4 cm (1 in.) BioBalance foam provides support and pressure relief
- 3.8 cm (1.5 in.) iDream gel memory foam promotes cooling by increasing airflow and dissipating heat
- 3.8 cm (1.5 in.) firm comfort support foam
- Cover material is made of 77% recycled polyester, 21% nylon and 2% spandex
Canadian Sizing & Specifications
| Brand | Serta |
|---|---|
| Product type | Mattress & bedding |
| Condition | New |
| Canadian listing standard | Metric measurements with imperial references where applicable |
| Size system | Canadian mattress sizes |
| Available sizes | Twin, Double, Queen, King |
| Measurements from title | 30.5 cm (12 in.), 12 in |
| Sizing guidance | Designed for standard Canadian mattress dimensions |
Sizes, colours, and specifications are formatted for Canadian online retail presentation. Shoe and apparel sizes follow Canada/US conventions.
Frequently asked questions
What is your return policy?
We accept returns within 30 days of delivery for defective items, transit damage (report within 72 hours with photos), or wrong items received. We do not accept returns for change of mind. Email support@onamar.com with your order number and photos to initiate a return.
What payment methods do you accept?
We accept Visa, Mastercard, Maestro, American Express, JCB, Diners Club, and Discover. All payments are processed securely through Shopify Payments with 256-bit SSL encryption.
How long does shipping take?
Orders are processed within 0-1 business days (Monday-Saturday). Once shipped, standard delivery takes 2-3 business days. Total estimated delivery time is 2-4 business days from the date of purchase. You will receive a tracking number by email once your order ships.
Is my payment information secure?
Absolutely. Our store is powered by Shopify, which uses 256-bit SSL encryption and is Level 1 PCI DSS certified - the highest level of payment security available. We never store your full card details on our servers.
How do I contact you?
You can reach us by email at support@onamar.com or by phone at +1 (613) 266-9303, Monday-Friday, 9:00 AM - 6:00 PM ET. We aim to respond to all inquiries within 1-2 business days.