4 Pack Boat Cup Holder Inserts With Drain For Marine Decks Cars RVs And Campers White Plastic Drink Holders Built To Last With Marine Grade Durability, Corrosion Resistant, Sun And Damp Proof, Five Year Rust Free Performance

Marine-grade 4-pack cup holder inserts for boats and RVs
✔️ 4-pack white inserts, marine-grade, 3.4" H, 3.5" ID, 4.3" OD

These marine cup holder inserts replace worn cup holders on boats, cars, RVs, and campers. Made from corrosion-resistant, sun and damp proof plastic, they stand up to saltwater, rain, and sun for long-lasting use.

✅ 3.4" H x 3.5" ID x 4.3" OD fits most cups
✅ Marine-grade, corrosion-resistant, sun and damp proof
✅ Large drain hole for rapid drainage
✅ Tight mounting surface to prevent loosening during motion

💡 What is a marine cup holder insert and why is it a handy upgrade for boats and RVs?

Handy upgrade that helps keep drinks secure in rough conditions.

- handy upgrade for boats and RVs
- marine-grade, corrosion-resistant, sun and damp proof
- large drain hole for rapid drainage
- 3.5" inner diameter fits most cups
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