The Maars personalized skinny tumblers keep your drinks hot for 12h and cold for 24h, making them the perfect sipping companion all year round. With 20oz capacity, these tumblers come in a matte or glossy finish, and feature a tapered shape with a slim design for effortless carriage. The plastic press-on lid with color-matching straw makes for great practicality on the go, while all components are BPA-free and non-toxic; aka perfect for the whole family..: Materials: stainless steel, plastic.: One size: 20oz (0.6l).: Plastic press-on lid with color-matching straw.: Available in matte or glossy powder-coated finish.: Tapered shape and slim, double-wall design.: Keeps drinks cold for 24 hours and hot - for 12 hours.: Non-toxic and BPA-free.: Blank product sourced from China.: NB! Hand wash only