Coccoli, Baby Sleep Sack, 0.5 TOG, ideal room temperature 23-26C (74 to 78 degrees F), Superior quality 2-way YKK zipper, 95% Tencel TM Tencel/5% Spandex outer shell; 100% polyester fill;100% Tencel TM inner shell, Make sure zipper is closed before washing separately in cold water, Tumble dry, no pressing, Garment length: N-6m measures 70cm (28in), 9m-18m measures 83cm (33in), 24m-36m measures 104cm (41.5in) . Designed in Canada.