Mainstays 8 in Twin-XL Tight Top Innerspring Mattress with Gel Foam
Product details
| Management number | 252550217 | Release Date | 2026/10/01 | List Price | US$47.20 | Model Number | 252550217 | ||
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This Mainstays Twin-XL mattress brings firm support and a space-saving fit to dorm rooms, bunk beds, trundle beds, and guest areas. The 8 in profile pairs an innerspring design with gel foam for a balance of support and cushioned comfort, while the tight top adds a smooth, supportive sleep surface. Twin-XL sizing measures 39 in x 80 in x 8 in, making it a practical choice when you need extra length without taking up more room. CertiPUR-US® certified foam and an OEKO-TEX® certified cover add trusted materials details, and the mattress-in-a-box design keeps setup simple. Just unbox it, place it on your frame, and allow time for it to fully expand.
- Firm comfort level with a Bonnell coil system for classic innerspring support.
- Compatible with platform frames or a traditional box spring.
- No assembly required; allow 24–72 hours for the mattress to fully expand after unboxing.
- Supports up to 250 lb and is designed for adult and child use.
- CertiPUR-US® certified foam is paired with an OEKO-TEX® certified cover.
- Mattress-in-a-box design with assembled dimensions of 39 in x 80 in x 8 in.
| Mattress comfort level | Firm |
|---|---|
| Mattress type | Innerspring Mattresses |
| Mattress top type | Tight Top |
| Features | Mattress-in-a-Box |
| Dimensions | 80.00 x 39.00 x 8.00 Inches |
| Max load | 250 lb |
| Bed size | Twin-XL |
| Mattress thickness | 8 in |
| Brand | Mainstays |
| Mattress coil type | Bonnell |
| Weight | 38.89 lb |
| Age group | Child, Adult |
| Assembly req | N |
| Has written warranty | No |
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Innerspring Mattresses
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