Car Cup Holder Expander, Cup Holder Extender for Car with Adjustable Base, Fits 24/36/46oz, 32/40oz, Large Bottles in 3"-3.9" (16-40oz)About this item 【Cup Holder For Large Bottles】 This cup holder extender for cars is large enough to accommodate oversized bottles, working well with most 20-40oz water bottles. 【Adjustable Base For Most Cars】 The insert of the cup holder expander is adjustable from 2.6" to 3.9" to fit different car models, especially designed for vehicles with cylindrical cup openings. 【Ultimate Sturdy Design】 Rubber grips inside the cup holder securely hold the bottle in place, minimizing noise and movement while driving. 【Easy to Install】 Simply insert the cup holder extender into the original cup holder and twist until it is tight. That's all it takes. 【Large Slot For Mugs】 The U-shaped slot accommodates mugs or bottles with handles, making it perfect for various sizes. Dimensions: 4.57"L x 4.57"W x 6.54"H