Created to give your little one the safest and best sleep, the Clever Sleeping Bag is perfect for peaceful dreams from 4kgs to 2 years old. Crafted using our signature organic cotton and bamboo fabric which is breathable and thermoregulating to help keep your little one at the perfect temperature all night. Our 2.5 TOG sleeping bag is perfect for all year round (room temperatures of 16-20°C) to keep little one cosy. To make parenting simpler we have added a pushchair belt opening feature so your baby or toddler can sleep undisturbed when you are on the move. The Sleeping Bag also features a double direction zipper to make those night-time changes a little bit easier. Made from our signature organic cotton 30% and bamboo 70% fabric Suitable from 4kgs (8-9lbs) to 2 years Double direction zipper & side shoulder opening Poppers at armhole for younger babies Nickel-free poppers Available in 2.5 TOG Fill: 100% polyester (Oeko-Tex 100 Class 1 Baby Certified free from any harmful chemicals or substances) Clever travel pushchair belt opening Machine washable at 30°C We advise that babies should not wear padded/bulky clothing or sleeping bags whilst in a car seat while driving for safety purposes. You can keep your baby warm in the car by adjusting the temperature or placing a blanket over the straps once they are harnessed in. Our 2.5 TOG sleeping bags have been tested at our factories in accordance to British Safety regulations for Safety of Children's Sleep Bags (BS 8510:2009). All chemical and hazardous materials testing outsourced and in compliance with UK safety standards. Product certified by Standard 100 by Oeko-Tex, which ensures it is not harmful to the skin.