MSR Child Resistant Fuel Bottle Cap One Size. Meets U.S. CFR 1700 and Health Canada requirements. Specifications for MSR Child Resistant Fuel Bottle Cap: Manufacturer: MSR Weight: 1 oz Application: Cooking Color: One Color Length: 1.7 in Width: 1.7 in Stove Accessory: Fuel Bottle Height: 1.9 in Package Contents: MSR Child Resistant Fuel Bottle Cap MSR 29133: Child Resistant Fuel Bottle Cap One Size