Unique design: We use the upper and lower double groove design, which can better fix your string lights won't slide around due to high wind and ensure they stay at the same height. 1.8*0.9 inches large size, providing 2 times the pasting area, greatly improving the stability of the button. Sturdy and durable with strong adhesion: using waterproof double-sided tape, strong adhesion, suitable for indoor and outdoor, summer and winter, wind, rain and high temperature, storms, snow, hail and other bad weather, can be well fixed and protect your string of lights. Suitable for that kind of material: Adheres to any dry and flat surfaces such as wood, metal, glass, French, ceilings, solid walls and tables; for example: doors, tiles, windows, flat walls, soft cornices, finished fences, metal, wood, etc. Not suitable for rough, wet, oily surfaces, wallpaper and dusty walls Easy to install: the adhesive on the back of the clip has been applied, one person can easily and quickly install without any tools; suitable for most indoor and outdoor string lights with wire diameter within 0.3 inches Widely used: Suitable for outdoor string lights, LED string lights, Edison bulb string lights, patio lights, holiday lights, solar string lights, Christmas decoration, Patrick's Day lights, LED rope lights. Widely used in home, office, car and other power cords, charging cords, CAT-6 cords, USB cords, network cords, laptop power cords for grouping and organizing. No damage to walls: Our light hook backing is flexible and will not leave unsightly marks on your walls when removed, ensuring your home remains in pristine condition. Suitable for that occasion: Our outdoor light string clips are suitable for any holiday, such as yard parties, Christmas, Halloween, Thanksgiving, etc. Providing you with a convenient and safe way to hang your lights in gutters, patios, balconies, fences, pools, cages, decks, stucco walls, roof eaves, and much more!