Keep baby safe and warm all night with our handy muslin sleep sack! Designed specifically for bedtime and naptime, this cozy and clever solution can’t be kicked off - which means a more restful sleep for baby. Made with soft, breathable fabric, it features a sleeveless design that’s perfect for spring and summer months. Features: -Double- layered muslin -Soft and breathable fabric -High quality hardwear and 2-way zipper -1.0 TOG (Thermal Overall Grade) rating -Naturally breathable fabric keeps baby comfortable -Two Way YKK Zipper high quality YKK zipper with two branded zipper pullers -Size and care label is printed inside the garment so there is no need for an itchy woven tag -High quality trims and thoughtful design -This garment was designed with only the best in mind for your baby. -High quality branded zipper pullers and soft, oversized zipper guards are just a few things to love about this garment -Care instructions: Turn inside out, machine wash with like colours, air dry, do not bleach, do not dry clean, low iron only if needed. Machine wash on gentle cycle: air dry Size Chart: 3-12 months = Small ; 25-30" ; 17.5-24lbs 12-24 months = Large ; 30-35" ; 22-29lbs