Loulou Lollipop Muslin Lightweight Sleep Bag 0.5 TOG - Tiny EngineersA customer favorite for warmer months, our 0. 5 tog muslin sleep bag is irresistibly soft, airy, and breathable. Made with soft, breathable muslin fabric, it features a 2 way zipper that opens all the way around the bottom for easy diaper changing and a sleeveless design thats perfect for the late spring and summer months. Manufactured at an OEKO TEX Standard 100 certified factory, you can feel confident that our sleep bags are free of toxic chemicals