7 Gorgeous Baby Milestone Blankets We Found On Etsy Airplane Milestone Blanket Personalized Baby Boy Month Blanket Pilot Personalised Baby Milestone Blanket By Sunday's Daughter Milestone Baby Blanket By Sparks And Daughters Milestone Blanket Projects :: Photos, videos, logos, illustrations and. Make sure your milestones are ranchy with this milestone blanket. Our original design is perfect to help you and baby show off those important throughout the year! 47 x 47in These blankets are 100% polyester.