FAQ’s

Our sleepwear is thoughtfully made for children using breathable cotton from Taiwan. It’s soft, gentle on delicate skin, and designed for everyday comfort.

Yes, our sizes follow standard children’s measurements. If your child is between sizes or prefers a looser fit, we recommend going one size up.

We suggest sizing up for a more relaxed fit and extra room to grow. Our fabric has a natural stretch, so the sleepwear will still feel comfortable and easy to wear.

The fabric holds its shape well with proper care. To prevent shrinkage, we recommend gentle washing and air drying.

Yes, you can. Use cold or warm water on a gentle cycle with similar colors. A mild detergent will keep the fabric soft and fresh.

Air drying is the best option. If using a dryer, choose a low heat setting to protect the fabric and preserve the fit.

To keep colors looking bright, wash the garments inside out and avoid direct sunlight when drying. Our fabrics are made to stay vibrant with proper care.

We do not offer gift wrapping at the moment, but our packaging is clean and presentable. You can leave a note at checkout if the order is a gift.

Orders are prepared and shipped from our regional fulfillment partners. Estimated delivery times vary by location and are outlined in our Shipping Policy.

If your order hasn’t been packed yet, we may be able to help. Please contact us at support@nummiy.com as soon as possible.

Please let us know within five days of receiving your order. We’ll arrange a replacement or refund depending on the situation.