Tigress Large Stainless Steel Cup Insert, Boat Cup Holder Fits 20oz & 30oz Tumblers

Tigress Large Stainless Steel Cup Insert is a marine-grade cup holder insert designed for boats and outdoor vessels. Made of stainless steel, this durable insert fits both 20 oz and 30 oz double-wall vacuum insulated tumblers (Yeti, Tervis, Engel) and helps prevent spills in rough conditions. Installation requires a 4-1/8" hole and the unit includes a bottom drain tube to manage overflow. The product is compact and durable for marine environments; package dimensions and weights are available for shipping and mounting considerations. Ideal for boat galley, deck hardware installations, and aftermarket cup holder retrofits.

• Compatibility: Perfect for popular tumbler brands like Yeti, Tervis, and Engel
• Easy Installation: Requires a 4-1/8" hole for installation and includes a bottom drain tube to manage any liquid overflow.
• Spill Prevention: The insert helps prevent spills by securely holding your tumbler in place, even in rough conditions
• Durable Material: Made from marine-grade stainless steel, ensuring strength and durability in harsh marine environments
• Versatile Fit: Designed to accommodate both 20 oz and 30 oz tumblers, making it ideal for various drink sizes