Decorate cake. Use tip 1M, cut 16 in. disposable decorating bag and darkest tinted icing to pipe rosettes at bottom of cake. Continue piping rosettes using tips 22, 21, 20, 18, 17, 16, 14 and 13, cut 12 in. disposable decorating bags and tinted icing from the next darkest through lightest teal icing up the side of the cake and onto cake top, leaving approximately a 1 in. circle opening in center of cake.