Orion 5825 Deluxe 6-Piece Optics Cleaning Kit A compact kit of essential cleaning supplies safe for telescope and eyepiece optics Retractable Ultra Brush gently removes dust particles with super-soft synthetic bristles Small can of compressed air helps remove large particles without scratches Lens-grade cleaning tissue and multi-coated optics cleaning fluid work together to keep optical lenses sparkling Optics-friendly cotton swabs help reach hard-to-clean surfaces