Bonnell spring mattress designed for restful, supportive sleep delivers classic buoyancy with modern comfort. The Kate Mattress combines a steel-spring core with a 0.4" cushioning foam layer and dual felt liners to relieve pressure on hips, back, and shoulders. Ships compressed and rolled in a portable box for easy delivery and setup, and is backed by a 10-year warranty.

Why Buy from Urban Supply

• Free shipping on orders over $299
• Authentic Modway with full manufacturer warranty
• 30-day return policy for peace of mind
• Price match guarantee — find it cheaper elsewhere, we'll match it
• US-based customer support, Mon–Fri 9 AM–9 PM EST at 917-540-6070

Key Features

• Bonnell spring system delivers classic, buoyant steel-spring support
• 0.4" cushioning foam layer adds plush surface comfort
• Dual felt liners distribute weight and ease pressure points
• Fire-resistant gray fabric barrier meets safety standards
• Multiple sizes available — Twin, Full, Queen, King — in 6" and 8" profiles
• Ships compressed and rolled in a portable box for easy setup
• Ideal for kids' rooms, guest rooms, dorms, or studio apartments
• Backed by a 10-year warranty for long-term peace of mind

Specifications

• Spring system: Bonnell
• Foam layer: 0.4" cushioning
• Felt liners: 2 (above and below springs)
• Fire barrier: Gray fabric, tested for safety standards
• Sizes: Twin, Full, Queen, King
• Thickness options: 6", 8"
• Shipping format: Compressed and rolled in portable box
• Expansion time: Typically 2–3 hours
• Warranty: 10 years
• Box spring/foundation: Optional

Shipping & Lead Time

Ships free on orders over $299 from our US warehouse. Standard processing is 1–3 business days with delivery in 5–10 business days. Larger furniture pieces may ship via freight carrier with curbside delivery.

Warranty

Backed by Modway's full manufacturer warranty. Contact our team at 917-540-6070 for warranty registration and claims support.