Setup: The costume is straightforward to assemble. 1. Help your child put on the printed black jumpsuit. 2. Securely attach the cape to the designated points on the jumpsuit (typically with Velcro tabs). 3. Adjust the mask's elastic straps for a snug yet comfortable fit, ensuring the ventilated mouthpiece is clear. Compatibility: This specific costume is designed for children aged 7-8 years (UK size 7-8). It is a unisex costume made from Polyester. Please check the sizing guide for appropriate fit. Care: To maintain the costume's quality and appearance: * Hand wash the jumpsuit and cape in cold water with a mild detergent. Do not bleach. * Hang to dry away from direct sunlight. Do not iron directly on any printed designs to prevent damage. * Wipe the mask clean with a damp cloth; do not immerse it in water. * Store the costume in a cool, dry place when not in use.