Designed for newborns and babies with an excellent fit around neck and arms, this warm 2.5 TOG Swaddle Bag is designed to contain the startle reflex while keeping a child snug and securely swaddled throughout winter months. Parents love there is no complicated wrapping and or fussy origami folding. Easy to use, double zipper and clever snaps at the armholes can convert to a sleep sack. 2.5 TOG warmth rating is suggested for 17°C and 23°C (64°F and 73°F).