Should pass SGS Certification.We attach a special label to each article (our product images for your reference). You can find our two-dimension code of on-line store on the label. It can help you tell the genuine one from the fake articles that are sold by other Chinese sellers.;Please pay attention to the size of wall decal before placing order;To ensure the stickers cling tenaciously to the wall, we specifically increase the amount of glue we use.;Applies to any smooth surface. Perfect fits for almost anywhere of your house.;Sizeテつ｣テつコ16 tall and 27.5wide