During summer your little one will feel the heat, but our signature cotton and bamboo from viscose fabric is breathable and helps them feel cool. The Sleep Romper One-Piece will keep their temperature just right to avoid overheating. The softest and safest way to dress your little one for bed. • Made from 30% organic cotton and 70% bamboo from viscose fabric• Sleeveless • Envelope neck open for easy dressing • Nickel-free poppers• Free US delivery on orders over $45 • Free US returns Personalization up to 10 characters in uppercase or lowercase with no gaps, punctuation or symbols. Placing may differ. Personalized orders will be dispatched within 5 business days from order date and are non-refundable.