·Perfect Fit : Our replacement tumbler lid is compatible with Stanley Quencher and other vacuum insulated stainless steel 40 oz cups,To avoid purchasing an improperly sized lid, please measure the inner and outer diameters of the cup before purchasing.

·HIGH QUALITY MATERIAL: Made of environmentally friendly food grade plastic material, BPA-free and odorless. The 40 oz tumbler lid can be in direct contact with the drink.

·FIT FOR 40 OZ STANLEY CUP: The cup lid replacement is perfectly compatible with the 40 oz Stanley Cup and fits other brands of 40 oz water glasses as well.

·EASY TO USE: Simply rotate the tumbler lid to attach it to the cup. The lid fits closely to the cup and has good air tightness to prevent liquid from spilling out when the cup is shaken.

·Anti-spill: The replacement lid features a high quality seal design, the sealing silicone O-ring and the opening are designed to prevent spills and resist splashing.