Feedback suggests these run big, size down if in between sizes :) Introducing our Bamboo Zip Up Baby Romper: Your little one's ultimate ticket to dreamland! Crafted from soft bamboo fabric, this beach and surf-inspired romper ensures cozy sleep and relaxed lounging wherever you are. Spread the joy by selecting it as a gift for baby showers – a surefire hit among moms and friends. 95% Bamboo 5% Spandex Care instructions: We recommend washing separately from other clothing the first wash. Machine wash cold/tumble dry low or air dry only. Avoid high heat. Bamboo is a soft material, washing with other items can potentially cause snags. By following these care instructions, you'll help prolong the life of your bamboo onesies, ensuring they remain soft and comfortable for your little one to wear.