1 clip per 30cm of lights 20 x clips 24 x strips Damage free No sticky residue UV & water-resistant strips are effective between temperatures -6 °C & 52 °C, in wet & dry conditions Suitable for most outdoor smooth surfaces including glass, painted or varnished wood, UPVC & plastic These command clips & strips are super easy to apply, without the need for nails, screws or drills. The clips & strips are designed to secure to the wall when hanging outdoor decor. When you decide to remove them from the wall, the strips off damage-free, leaving no holes, marks or sticky residue, making them suitable for most outdoor smooth surfaces including glass, painted or varnished wood, UPVC & plastic.