DescriptionBottles are made of strong, lightweight, heat resistant, Borosilicate Glass, and with a Stainless steel tea infuser filter, BPA and Lead Free.Designed on both esthetics and comfort, which makes the bottle fashional and convenient to carry, perfect for indoor, outdoor,office, traveling, fitness and exercising and so on.Feature- Color: As shown. - Material: Borosilicate glass. - Size: 24.5x6.5x6.5cm. - Bottles are made of strong, lightweight, heat resistant, Borosilicate Glass, and with a Stainless steel tea infuser filter, BPA and Lead Free. - Designed on both esthetics and comfort, which makes the bottle fashional and convenient to carry, perfect for indoor, outdoor,office, traveling, fitness and exercising and so on. - The sleeve provides a warm comfortable feeling and protection. - Product includes a thick sleeve for protection, decoration and greater insulation in temperature of water bottle. hot or cold drink will be ok.