Discover the ultimate beverage security solution with this SHENGHUISS heavy-duty cup holder. Crafted from premium 304 stainless steel, it delivers exceptional durability and corrosion resistance for lasting performance in demanding environments. The innovative foldable design, measuring just 4.3” x 4” x 0.74” when collapsed, combines space-saving convenience with one-handed operation. Its auto-tightening grip system and rubber-coated arms securely hold beverages up to 3.9 inches in diameter, while the foam base pad ensures maximum stability and quiet operation. Perfect for boats, RVs, trucks, yachts, golf carts, and various other applications, this versatile cup holder installs easily on multiple surfaces. The thoughtful notch mechanism allows for effortless unfolding and collapsing, making it an indispensable addition to your vehicle or vessel. Whether you're navigating rough waters or cruising down the highway, keep your drinks secure and within reach with this robust cup holder.