【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). cup holder inserts also can perfect replacement couch cup holder.
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.
Material】:Made of high quality plastic material, durable to use and clean easily. Protect your drinking from spill out with sturdy base.Convenient install with insert bottoms, no screws needed. Easy to install or remove.
The Package Includes 】:2 pieces of cup holders, which can be installed such as couch, table, sofa, golf cart, dashboard, chair, seatback, furniture, etc.
Multi Functional 】:Boat cup holder replacement - Widely install on car, couch, boat, game table, sofa, RV, counter top, dashboard, recliner handles, etc. General size fits for most of drinking bottles, like mugs, cups, beverage, slim cans, etc.
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.