eBay

Our cup holder inserts suitable for boat, RV, or cars with 3.74"-4.1" cup base (Please measure the diameter in advance before you make the purchase). Joytutus cup holder inserts also can perfect replacement couch cup holder.
The cup holder can perfectly hold your Hydro Flasks Nalgene Yeti Ramblers Klean Kanteens or other large bottles.
Dimensions of the cup drink adapter: cup base of 3.74"-4.1" in diameters and fits cups of up to 3.6" in diameters. To prevent you from buying by mistake, please be sure to confirm the size before buying
The package includes 2 pieces of cup holders, which can be installed such as couch, table, sofa, golf cart, dashboard, chair, backseat, furniture, etc.
If you have any questions about our drink holder insert, please feel free to contacts us. We will give you a satisfactory solution.

Product Description

Important：

Please make sure the cup base in your car or boat has a diameter of 3.74"-4.1" so our recessed cup holder can fit properly.

The cup holders with 3.62" opening

compatible with Hydro Flasks 12oz/16oz/18oz/20oz

compatible with Yeti Ramblers 20oz/26oz/30oz

compatible with Nalgenes 30oz

compatible with Cola can 12oz

among other big and small size cups.

Does it fit your cup base?

To find out if the cup holder adapter fits the cup base of your vehicle, please refer to the dimensions of the pedestal, which adjusts from 3.74" to 4.1".

Though the drink adapter is designed and made to fit most cars, trucks, boats, RVs or golf carts, It is not universally suitable for all vehicles. Please refer to the size for exact fitment.

Attachment	Phone Mount	Tray	Storage Box	Tray	Phone Mount