Rainbow Shaped Blanket Patterns Etsy Primary Rainbow Blankets and Hat Set Custom Crocheted Rainbow Blanket for Cozy Home Decor Rainbow blanket knitting kit Artofit Rainbow Blanket Premier Yarns How To Make A Crochet Rainbow Blanket at Wayne Tisdale blog. There's something just so special about rainbows and this blanket is perfect for a rainbow baby. Made from 100% cotton, this versatile, heirloom quality blanket can be used with the stroller, crib or bassinet. Indus Design create such beautiful, unique blankets this will make the perfect gift for a new Mum or baby. Measures 31. 50" x 39. 37" (80cm x 100cm).