Comfy and Warm: Our baby sleep sack is made of 100% polyester micro-fleece, super soft, warm, cozy and breathable. PHF fleece baby sleep sack is 100% certified compliant with the OEKO-TEX standard, perfect for babies with sensitive skin. PHF sleep sack provides a sleep enviroment by using soft and comfy fabric for babies, the tog 1.5 fits in fall and winter, so the sleeping bag can help your babies sleep better and more easily at day or nights. | Perfect Design: The sleep sack large space allows baby's hips and legs to move freely and happily, protecting your baby from getting cold when sleeping or crawling around on the floor. The arm and neck openings sized is a perfect fit, the sleeveless design avoids the risk of overheating and keeps baby comfortable in fall and winter. These designs are great for promoting healthy development of babies. | 2-Way Zipper and Safe: PHF sleep sack features a durable 2-way zipper that unzips from the bottom to the top and top to the bottom, which is easy to diaper changes without removing your baby from the sleeping bag. In addition, our internal zipper protector and top zipper cover protect your baby's chin and belly from scratching, ensuring the safety and comfort of your lovely baby. | Charming Floral Patterns: PHF 2 pack baby sleep sack design features classic, cute, and fashionable floral patterns. These sleeping bags patterns are both fun and not childish. You can teach your baby to recognize these beautiful floral patterns, stimulate their curiosity and creativity, and bring your baby a wonderful imagination and cognitive experience. This is definitely a practical and perfect gift for your baby. | Easy Care: PHF fleece sleep sack can be machine washed or hand washed at low temperatures, even after many washes they keep their softness and color. The fabric will not pilling or shrink after frequent washing even get softer with every wash. A set of 2 newborn baby sleep sack makes it easier to change and clean up daily. Therefore, high-quality baby essentials are worth buying!