✓ Different Size and shapes cut - Circles from 1/4 to 3/4 inch. Squares from 1/4 to 2 inches. the whole sheet is 4 x 8 inches. ✓ Work for anything - You can use it to cover or dimming the LED lights on alarm clocks, routers, controllers or any electronic devices. ✓ Sticky Enough - It can Stick anywhere you want and it will not peel off until you want to take it off. For more dimming you can tack two or three stickers on top of each other. ✓ Easy to Use - Just Peel it and it will Stick anywhere you want. Each sticker dim about 50%, for more dimming you can double stick the light. ✓ Cover Annoying White Lights - This dimming Stickers will dim 50% ~ 80% of the White LED lights and any electronic products and helps you sleep quick and deep. ✓ 2 Sheets Per Pack - Includes Two Sheets of light dimming stickers, One cutout same as the picture and one uncut that you can cut it as you want.