【High-Quality Material】 These kids' pajamas are made of skin-friendly cotton material. The lightweight pajamas for boys are very soft, comfortable, and breathable. They do not contain fluorescent whitening agents, so they are safe for children with sensitive skin. Eco-friendly dyeing technology is used, so there's no need to worry about fading, giving moms peace of mind. 【Excellent Breathability & Elasticity】 These pajamas are made of breathable, sweat-absorbent, and odorless boxer brief-like ultra-soft fabric, suitable for all seasons. The waist elastic is soft and has plenty of elasticity, making them comfortable. The waist elastic stretches well, fits snugly around the waist, and is easy to put on and take off without worrying about losing shape or falling down. 【Size】Kids' pajamas size 120, a pajama set. These are character pajamas from popular anime, recommended for everyday wear, cosplay, school festivals, festivals, events, cultural festivals, gifts, parties, and collections. ★Note: Sizes may vary slightly. Also, there are individual differences in children's growth. Height 120 Chest 66 Shoulder Width 28 Length 46