Fiber: 94% Mako cotton 6% Nylon Weight: 100g Yardage: 248yds Needle size: US 7 - 9 Gauge: 4-5sts per 1" Care: Hand wash. Dry flat. Cumulus Yarn by Juniper Moon Farm is an unbelievably soft, worsted weight cotton. Made from mako cotton with a touch of nylon for strength, Cumulus is soft as a cloud and works perfectly for snuggly summer days garments, or accessories.