uv color changing tumblers glowing in the dark diy mug 20oz straight sublimation multifunction skinny tumbler insulate stainless steel mugs

this product is made in china, it changes color in sunlight and glowing in the dark, very magical, and the main material is 304 stainess steel. it with a lid and straw. it is a portable water container, very fationable and health. there is no pattern on it's surface, diy siutable. so its brife style is very prevalent, and many people like use it. this cup has many different colors, your chioces are varied. we have factories, so the and lower price should be supported. besides, we provide you excellent service. please contact me if you have any questions, we will replay you as soon as posible.