Impact Innovations Christmas Shimmer Lighted Window Decoration, Snowflake Fun and festive shimmer lighted window decoration and snowflake measures approximately 13 x 16 -Inch Unique printed PVC material creates a lovely shimmering effect when back-lit; window decoration has 10 sparkly mini lights Decoration and cord are UL approved; no batteries or assembly required; decoration includes suction cup for easy hanging Window decoration comes in a full-color box for protected storage after the holidays Established in 1968, Impact Images widely recognized as the premier trendsetter in the seasonal decor industry