This Maars Maker personalized 20 oz. tumbler is the perfect companion for any adventure or casual day out. Made with double-wall, food-grade stainless steel, these tumblers keep drinks hot for 12 hours and refreshingly cold for a stunning 24 hours. The powder-coated exterior with its smooth matte finish is a pleasure to the touch, while the non-tapered shape with the slim design makes it highly practical and stylish. The plastic screw-on slide lid with the color-matching straw adds extra practicality points. All materials used for this tumbler are non-toxic and BPA-free. .: Material: double-wall food grade 18/8 stainless steel .: One size: 20oz (0.6l) .: Powder-coated smooth matte finish .: Non-tapered shape and slim design .: Plastic screw-on slide lid with color-matching straw .: Keeps drinks cold for 24 hours and hot for 12 hours .: Non-toxic and BPA-free .: NB! Hand wash only