Crayola 8 Count Washable Window Markers (Washable Window Markers x Markers with Crystal Effects) CRAYOLA-Window markers come in 8 cool colors to decorate windows glass mirrors mylar and more CRAYOLA-Crystal Effects Window Markers WINNER OF THE OPPENHEIM TOY PORTFOLIO GOLD SEAL AWARD AND THE PARENTS CHOICE FOUNDATION APPROVED AWARD! Conforms to ASTM D4236 Great for holiday and seasonal window decorating perfect combo pack