The 'Lock Your Door' long - sleeve crewneck sweatshirt from Arinesart is a must - have. Available in sizes from S to 4XL, it's made of an 8.5 - ounce, 80/20 ring - spun cotton/poly blend. The removable tag ensures maximum comfort. With a twill - taped neck and locker patch, it resists stretching. For care, machine wash cold inside out with like colors. Use non - chlorine bleach only when necessary. Hang dry for best results, or tumble dry with cool/low heat. Avoid fabric softener as it may cause fading. Don't iron or dry clean this great piece of clothing.

To use this long - sleeve crewneck sweatshirt, simply put it on like any other top. It's suitable for casual outings or relaxing at home. When it comes to washing, turn it inside out and use cold water. Wash it with clothes of similar colors. Only use non - chlorine bleach if there are stains. After washing, you can either hang it up to dry for the best result, or you can tumble dry it on a cool or low - heat setting. Remember, fabric softener can make the colors fade, so skip it. And don't try to iron or dry clean the sweatshirt, as this could damage the material and the design.