Single ABS Bottle Holder 500mL keeps your bottles upright and secures. It stabilizes top heavy bottles and stores one 500mL bottle. This product line has keyholes for mounting with provided hardware. Features. Open Rectangular Design with Top Circle Slot. Mounts on Wall with PreDrilled Holes. Constructed from White ABS. Holds 14, 500mL BottlesSpecifications. Color White. Capacity 500 ml. Material 1/8 PVC. Key Hole Dimensions 3/8 x 3/4WH. Country Of Origin United States. Weight 1 lbs