Size: Available in 3 sizes, including 1 large for 2/3 yrs. Press-stud fastening on the shoulders with concealed fabric reinforcement inside. Full-length zip fastening. Touch 'n' close pocket at the front to hold the blanky. Opening at the front & back to pass the car seatbelt through. Taped edging. WHAT YOU NEED TO KNOW: This bed linen carries the Oeko-Tex® standard 100 The sleep bag is recommended for use with babies up to 18 months, in the appropriate size for the child. TOG=2.35 For baby's safety, we recommend using a sleep bag without additional bedding. The use of duvets, pillows & blankets is not recommended for children under 18 months old.