Perfict Fit: These 40 oz tumbler lids compatible with Stanley Quencher Adventure Travel tumbler 40 oz and other brand 40 oz tumbler.atible Stanley 40 oz Tumbler with Handle and other brand 40 oz tumbler. 100 percent Splash Resistant and Spill ProofWithout take off the lids, these clear 40 oz tumbler lids can help you to know how much drink you have left, moreover, they are 100 percent splash and heat insulation, prevent spill while turning over the tumbler and keep your drink insulated. Safe and Reliable: The 40 oz tumbler lids replacement made of environmental friendly and non-toxic food grade material and BPA free, dishwasher safe, lightweight, they can be touch with the drink directly and very easy to clean. Practical and Convenience: The stanley lids designed with a slider, very easy to slide, can be applied with tumbler for water, juice, tea, wine, coffee, milk or other drinks, you can use them to cover your tumblers when travelling, driving, camping, doing sports, working etc.