mattress factory shop near me woraiyur growell beds and furnitures trichy Bonnell spring mattresses are a popular and traditional type of innerspring mattress. They are constructed using a system of interconnected springs made from tempered steel wire. These springs are shaped like an hourglass and are arranged in rows, connected by a spiral wire, which provides support and durability to the mattress. Bonnell spring mattresses offer a combination of support and comfort. The interconnected springs distribute weight evenly across the mattress, reducing pressure points and promoting proper spinal alignment. They also provide good motion isolation, meaning that movement on one side of the bed is less likely to disturb a partner on the other side.