Product name: If a sliding window, casement window, left and right sliding window, children's window guard, aluminum alloy high-rise drift window, safety, punching free, invisible window gate, household self installed, lockable, detachable, brown square tube, wall thickness of 1.6mm, circular tube, wall thickness of 2.3mm | Product name: If a sliding window, casement window, left and right sliding window, children's window guard, aluminum alloy high-rise drift window, safety, punching free, invisible window gate, household self installed, lockable, detachable, brown square tube, wall thickness of 1.6mm, circular tube, wall thickness of 2.3mm |