Both sides of the hems are designed to gently absorb dust. The suction sensor traps uneven dust, pollen, and house dust deep in the gaps. It can be stretched up to a maximum of 39.4 inches (100 cm), and the angle of the head can be changed. It is easy to clean and easy to reach high places and gaps that are hard to reach and clean. It can be used around PC/TV, bookshelves, small items, sash grooves, etc.