Come and see our amazing products. 15OZ is suitable for all kinds of needs and everyone as well as these bright colors ..Easy to clean by Simple structure, washable with a spout removed. Slick Steel finish interior is corrosion resistant and repels stains,Stainless steel vacuum insulation keeps beverages hot or cold,Air vent on the mouth piece allows beverages to flow out smoothly, without gushing or overflowing. Four seasons available and great for home, work, outdoor sport,at the gym, in your car, and even camping or hiking. Pls confirm with us about the packing info, stock color and exact production time before placing your order.