Double Sunday is a color collaboration between Sandnes Garn and the Danish designer, PetiteKnit. Double Sunday is a merino, dk weight yarn that is machine-washable, but has not been chemically superwashed which makes the yarn more environmentally friendly. It is luxurious for kids, babies and grown-ups alike. 100% Merino wool without superwash treatment 108 m per 50 gram skein Machine wash on wool program at 86 degrees Fahrenheit or cool water 21-22 stitches on needle size 3.5 – 4mm equals 10 cm: US #4-6 = 4 inches