The AxisFlying Lipo Strap for 5-Inch Drones is a set of two straps designed to securely hold a lithium polymer (LiPo) battery in place on a 5-inch drone. The straps are made of a durable material that can withstand the vibration and movement of a drone during flight. The straps help prevent the battery from sliding or shifting during flight, which can cause damage to the drone or the battery. They are essential for ensuring the safety and stability of your drone during flight.