{"product_id":"pebbly-beach-boat-cup-holder-inserts-10-pack-white-marine-grade-plastic-drainable-3-5-id-for-boats-rvs-cars","title":"Pebbly Beach Boat Cup Holder Inserts 10-Pack — White Marine-Grade Plastic, Drainable 3.5\" ID for Boats RVs Cars","description":"\u003cp\u003e\u003cstrong\u003ePebbly Beach 10 PCS boat cup holder inserts are marine-grade replacement drink holders with large drains and a snug fit to keep beverages secure on boats, RVs, cars and outdoor decks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your old cup holders are cracked, corroded, or collecting water, these white plastic inserts provide a fast, inexpensive upgrade that resists sun, salt, and moisture. Each insert is molded from corrosion-resistant material designed for marine environments, sized to accept most standard cups, bottles, and cans while allowing rapid drainage to reduce standing water and spills during rough rides.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these holders stand up to saltwater and sun exposure?\u003c\/h3\u003e\n\n\u003cp\u003eThe inserts use marine-grade plastic formulated to resist corrosion, warping, and UV degradation so they last longer than ordinary cup holders. Their construction aims to minimize material breakdown from prolonged dampness and sunlight.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMarine-grade, corrosion-resistant plastic tested for multi-year outdoor use\u003c\/li\u003e\n  \u003cli\u003eUV-stable formulation to limit fading and brittleness\u003c\/li\u003e\n  \u003cli\u003eDesigned to resist deformation from temperature swings and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill they fit the cups and bottles I already own?\u003c\/h3\u003e\n\n\u003cp\u003eEach insert offers a 3.5\" inner diameter and a 4.1\" outer diameter, making it compatible with most standard cups, travel mugs, cans and water bottles. The sizing was chosen to suit common beverage containers without wobble.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e3.5\" inner diameter fits most on-market cups and cans\u003c\/li\u003e\n  \u003cli\u003e3.4\" height supports taller mugs and insulated bottles\u003c\/li\u003e\n  \u003cli\u003eUniform dimensions across the 10-piece set for consistent fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the drain feature reduce spills and standing water?\u003c\/h3\u003e\n\n\u0026gt;The large central drain hole channels seawater, condensation and splashes away from the cup base so liquids don’t pool inside the holder. That reduces sloshing and water stains while improving stability on rocking or bumpy rides.\n\n\u003cul\u003e\n  \u003cli\u003eSingle large drain for rapid water evacuation\u003c\/li\u003e\n  \u003cli\u003ePrevents pooling that can tilt or float cups in rough conditions\u003c\/li\u003e\n  \u003cli\u003eEasier to clean and dries quickly between uses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow secure are these inserts once installed?\u003c\/h3\u003e\n\n\u003cp\u003eThese cup holder inserts are designed to fit tightly into existing mounting openings so they stay seated during navigation or travel over rough roads. The snug support limits horizontal movement and reduces the chance of spills or tipped drinks.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePrecision-molded for a close, stable fit into standard openings\u003c\/li\u003e\n  \u003cli\u003eFirm seating resists loosening from vibration and movement\u003c\/li\u003e\n  \u003cli\u003eSuitable for retrofit replacement in boats, RVs, cars, decks and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Pebbly Beach 10 PCS boat cup holder inserts are ideal for boat owners, RV and camper drivers, off-road vehicle enthusiasts, and homeowners who want durable, fast-draining cup holders that stand up to outdoor conditions. Choose this set if you need multiple matching replacements to refresh a cockpit, cabin, or seating area—especially when corrosion, cracks, or water accumulation are a concern. These inserts are a practical, cost-effective solution for anyone wanting a uniform, marine-ready cup holder system without altering existing mount cutouts.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size cups fit these inserts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They have a 3.5\" inner diameter and fit most standard cups, cans, and insulated mugs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these safe for saltwater use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They’re made from marine-grade, corrosion-resistant plastic designed for wet, salty environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Pebbly Beach","offers":[{"title":"Default Title","offer_id":48087153770654,"sku":"B0GBN8PY94","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/pebbly-beach-front-packaging-white-cup-holder-insert.jpg?v=1785917780","url":"https:\/\/northtrailauto.ca\/products\/pebbly-beach-boat-cup-holder-inserts-10-pack-white-marine-grade-plastic-drainable-3-5-id-for-boats-rvs-cars","provider":"North Trail Auto","version":"1.0","type":"link"}