Notes on the base: Jefferson Ave is a 100% superwash merino worsted weight yarn.100% SW MerinoApprox. 220 yds/100gColor: TesoroAll yarns are dyed in a dog friendly, smoke free home ( but they don't get to play with them). Due to the nature of hand dyed yarns no two will ever be exactly alike. When ordering for large projects be sure to order enough for the whole project. Hand wash cold with mild wool wash.