2 Pack Marine Grade Stainless Boat Cup Holder Insert For Boats RVs Campers Trucks And Yachts With Mounting Gasket And Internal Pad Built To Last Saltwater Ready And Rust Proof

2-Pack Marine-Grade Stainless Cup Holder Inserts for Boats
✔️ Saltwater-ready, rust-proof with gasket, internal pad, and hardware

These cup holder inserts are built from marine-grade stainless steel to resist corrosion in saltwater, humidity, and UV exposure. They’re designed for boats, yachts, RVs, campers, and trucks where space is at a premium and drinks need secure, easy access.

✅ 2-pack set of marine-grade stainless cup holder inserts
✅ 4"H height, 3.5" ID, 4.25" OD with flange fits most standard cups
✅ Includes drain with hose barb, mounting gasket, internal pad, and all hardware
✅ Easy recessed installation on smooth surfaces like dashboards or tables; saltwater-ready and rust-proof

💡 What is a marine-grade cup holder insert used for in boats and RVs? Here's a handy, general answer:

- corrosion-resistant marine-grade stainless steel for saltwater use - fits standard cups with 3.5 in ID and 4 in tall - includes drain with hose barb, mounting gasket, internal pad, and hardware - easy installation on smooth dashboards, tables, or seatbacks ✝️