Colour changing promo that is sure to grab your customer?s attention! This single walled, large capacity 750ml bottle changes to a vibrant paint colour when in contact with cold liquids and returns as it warms up or comes in contact with the warmth of your hand. The colour change is dramatic and can?t be missed ? great for drawing attention to your branded message! Add your company logo to the large personalisation area on the bottle. Materials include durable and recyclable stainless steel bottle, black recycled PP plastic lid, smoked black recycled PS plastic sipper, translucent LDPE plastic straw and silicone seal. BPA and PVC free. For a promotional giveaway that's different from the rest, order you colour changing bottle today.