Hele i Waho Rash Guard Purchased on Amazon for around ¥2400 and used a few times. Still currently on sale. It dries quickly, making it very easy to use! It's easier to remove stains compared to regular clothing materials, and can be used not only for marine activities but also as everyday wear for children playing outdoors. Upon close inspection, there appears to be blue ink stains on the back (see photo 3). Below is the product description: ↓ Ideal for sun protection during swimming, beach play, pool activities, and water play, or as a light outer layer to throw on after getting out of the water! Also great for fishing, camping, playing in the park, clamming, and other outdoor and everyday activities ◎ Feel free to ask any questions! ^ - ^ Style: Children's Zip-up Type Material: 85% Polyester / 15% Polyurethane (5.8oz) Size: 140 UV Protection: UPF50+ Country of Origin: Cambodia Swimsuit Kids Boys Girls School Swimsuit Children's Long Sleeve No Hood UV Cut Cool Feeling Quick Dry Solid Color Amphibious Swimming School Use 80~150cm