B&C SAHOO Bike Cycling Water Bottle Stainless Steel Vacuum Insulated 500ML (Black) Materials:double layer food grade stainless steel+pp;Large volume of 500ml Cap is made of antibacterial pp,safe and healthy;Size:5.8x24.5cm/2.3x9.6inch Direct drinking mouth, easy to clean Double-layer stainless steel and vacuum, ideal thermal insulation effect ship from by Ali Huang