DNB Stainless Steel Cup Holder Insert - Pack of 8 recessed holders

In this review the DNB Stainless Steel Cup Holder Insert pack is evaluated for boat owners, RV travelers and anyone replacing worn plastic holders. The single biggest reason to buy is durability: made from high quality stainless steel with a smooth finish, these recessed cupholders resist corrosion and keep drinks secure while adding a clean, upgraded look. The review focuses on real use cases, fit and cleaning, and whether the supplied drain and hardware make installation and maintenance straightforward.

Key Features

• Material: Stainless steel construction provides long-term corrosion and rust resistance for marine and outdoor use.
• Dimensions: Well-documented cutout and cup dimensions make it straightforward to plan installations in dashboards, decks or furniture.
• Drainage: A drain hole at the bottom helps prevent moisture buildup and makes it easier to dry and clean the holder.
• Complete kit: Each cupholder includes a hose barb, mounting gasket and internal pad so the inserts are ready to mount without sourcing extra parts.
• Universal fit: The recessed design and common sizing mean these are suitable as replacements in boats, RVs, theater seating and more.

Who It's For

These cupholders are aimed at boat owners and outdoors enthusiasts who want a durable, attractive replacement for aging plastic holders or an upgrade during refit projects. The pack format also suits small fleets, arena racks and anyone who needs multiple matching inserts.

Those who should look elsewhere include users who need an exact factory match for an uncommon proprietary cup pocket or anyone requiring a molded snap-in plastic style; this is a recessed stainless steel insert intended for mounting into a cutout.

Pros & Cons

Pros

• Durable stainless steel construction resists cracking and rust and keeps a neat appearance.
• Includes hose barb, mounting gasket and internal pad so installation is simpler and more complete.
• Drain hole reduces moisture buildup and eases cleaning after salty or sticky spills.
• Size works well for most standard drinkware and fits common cutouts noted in the product dimensions.

Cons

• Because these are recessed metal inserts, someone seeking a snap-in or custom branded factory replacement may need to verify cutout compatibility before purchase.

Specifications

Our Verdict

For buyers seeking a straightforward, durable upgrade to plastic cup holders, this pack offers solid value: the stainless finish looks better, the included hardware simplifies installation and the drain feature is practical for marine use. Verify cutout sizing before installation, but for most common applications these inserts deliver longevity and a clean appearance at a reasonable price.

Frequently Asked Questions

Do these cupholders come with mounting hardware?
Yes, each cupholder includes a hose barb, mounting gasket and an internal pad to aid installation.

Will these rust in a marine environment?
The holders are made of stainless steel with a smooth finish designed to resist corrosion and rust in marine settings.

What size drinkware fits these holders?
The top inner diameter is 3.6 in, top outer diameter 4.2 in and bottom diameter 2.8 in, so most standard cups and cans fit securely.