1.Size Adjustment : Use this conversion kit to join and connect the mattress and create a king size bed if . bed bridge mattress connector foam filler pad two single mattresses conversion kit gap closer alignment joiner seam fixer expandable mating union joining twin king split expansion gapping strap joint smoothing stabilizer pairing connection band mat linker 2.Comfortable Foam Filling: Bed foam fills fabric to allow your guests to sleep comfortably without feeling the between the beds. bed bridge mattress connector foam filler pad two single mattresses conversion kit gap closer alignment joiner seam fixer expandable mating union joining twin king split expansion gapping strap joint smoothing stabilizer pairing connection band mat linker 3.Easy to Use: Create a kingsize bed or use a separate mattress at anytime anywhere. Our bed attachment kit makes it easy to hold the mattress together. bed bridge mattress connector foam filler pad two single mattresses conversion kit gap closer alignment joiner seam fixer expandable mating union joining twin king split expansion gapping strap joint smoothing stabilizer pairing connection band mat linker 4.A Connector Strap: This set comes with an bed strap of about 800cm/314.96in in length that holds the mattress in place. bed bridge mattress connector foam filler pad two single mattresses conversion kit gap closer alignment joiner seam fixer expandable mating union joining twin king split expansion gapping strap joint smoothing stabilizer pairing connection band mat linker