I wash mine in warm since it’s a polyester fabric heated water seems to do a better washing than cold but it can be washed in the cold so no wrong answer really just a preference
Product Number: 5050
Product Number: 3029
Product Number: 9070
Donuts Funny Girl Dress Size:XL I wash mine in warmPRODUCT DESCRIPTION Made of 97% Polyester, 3% Spandex. Great sense of skin touch, lightweight, super soft, and comfortable, The breathable material makes your girls feel comfortable. Classic Casual Dress for Girls, A Line hemline, round neck Twirl dress. girls sleeveless casual dress fit for everyday wear is suitable for with jacket, coat, shirt, blouse. Unique retro design, suitable for Halloween, Christmas, dance, birthday, dress up, party, beach,