local bed shop near me growell beds and furnitures trichy A spring mattress, also known as an innerspring mattress, is a type of mattress that uses a system of metal springs or coils to provide support. These springs are typically made of steel and are designed to distribute weight evenly across the mattress surface while providing resilience and durability. Spring mattresses come in various styles, including open coil mattresses, where the springs are connected in a single unit, and pocket spring mattresses, where each spring is individually wrapped in fabric. Pocket spring mattresses tend to offer better support and reduce motion transfer compared to open coil mattresses.