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The Zinus Core Comfort 8" is a budget innerspring twin with a Bonnell coil core topped by foam and a soft tight-top cover. It is medium-firm in feel and thin enough for bunk beds, trundle beds and daybeds, where a deep mattress will not fit. Against foam-in-a-box rivals it offers springy support and a lower profile rather than contouring comfort, and owners say it is fine for kids' rooms and guest beds but not a long-term choice for heavy adults. The foam is certified for low emissions and the mattress carries a 10-year warranty.
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Lowest price we've seen: $94.98 on Nov 9 at Walmart. Tracked across 1 store since Nov 9.
With more than 8,800 ratings averaging 4.1, most owners call it good value for a child's or guest bed and easy to set up. Complaints cluster around firmness, durability and the thin comfort layer.
Get comfy sleep for less on the Zinus Tight Top Bonnell Spring Mattress. Mattress is perfect for bunk beds, trundle beds, and daybeds. This budget-friendly mattress has a firm feel and keeps you comfortable at night with its soft and breathable cover. Plus, the long-lasting supportive coils and foam will keep you sleeping great for many nights to come. The foam in this mattress is certified safe, so you can rest easy knowing there are no harmful chemicals. To top it all off, this mattress comes conveniently compressed in a box designed to leave a smaller carbon footprint and includes a 10-year warranty for peace of mind.













