8 Pack Straight 20oz Sublimation Tumblers - Bulk Blank Stainless Cups

In this review the 8 Pack Straight 20oz Sublimation Tumblers are evaluated for crafters and small businesses who need a consistent, blank canvas ready for heat transfer. The bottom line: these tumblers are ideal for people who plan to personalize multiple cups because they are absolutely straight with the same circumference top to bottom and arrive pre-coated with a polymer layer made for dye sublimation. The review covers ease of sublimation, insulation performance, and packaging so you can decide if this bulk option fits your projects.

Key Features

• Straight body: the identical circumference from top to bottom makes alignment and full-wrap sublimation much easier and more predictable for repeat projects.
• Polymer coating: factory-applied coating means the surface is ready for dye sublimation with a heat press or convection oven without extra priming.
• Two sublimation methods: you can use a heat press at 334 Degree Fahrenheit for about 50 seconds or an oven at 300 Degree Fahrenheit for about 6 minutes when paired with shrink wrap.
• Double-wall insulation: vacuum insulated design helps keep drinks warm or cold longer, so these cups work year-round and for on-the-go use.
• Durable materials: made from 304 stainless steel with a silicone base to reduce slippage and noise on surfaces.
• Complete bulk kit: eight 20 oz tumblers include splash-proof push-on Tritan lids and stainless steel straws, each cup individually boxed for storage or gifting.

Who It's For

These tumblers are best for craft hobbyists, small custom-print businesses, event planners, or gift makers who need a consistent blank product to sublimate in batches. The straight shape and polymer coating save time in production and reduce alignment issues that come with tapered designs.

People who should look elsewhere include buyers who need insulated bottles with handles, travel mugs with threaded lids, or units certified for commercial beverage dispensing; this product is a straight skinny tumbler primarily designed for sublimation and everyday insulated use.

Pros & Cons

Pros

• Consistent straight profile simplifies full-wrap sublimation and design alignment.
• Pre-applied polymer coating works well with both heat press and oven methods when using shrink wrap.
• Includes lids and stainless steel straws in a bulk pack, offering good value for multiple projects.
• Double-wall vacuum insulation and silicone base improve temperature retention and stability on surfaces.

Cons

• Some users report mixed results with color pop and paper stickiness, so results can vary by transfer materials and technique.
• Not intended for users who need narrow travel-mug features like threaded lids or cup-holder specific tapering.

Specifications

Pack quantity	8 pieces
Capacity	20 oz
Material	304 stainless steel
Coating	Polymer coating for dye sublimation
Insulation	Double-wall vacuum insulated
Included accessories	Stainless steel straws, Tritan splash-proof lids, individual boxes
Sublimation methods	Heat press 334 Degree Fahrenheit 50 seconds or oven 300 Degree Fahrenheit 6 minutes (use shrink wrap)

Our Verdict

The 8 Pack Straight 20oz Sublimation Tumblers are a solid bulk option for crafters and small printers who need a reliable, straight-sided blank that accepts heat-transfer coating. They combine usable insulation, durable stainless construction, and useful accessories at a reasonable value, though beginners should test their paper and heat settings to optimize color and adhesion.

Frequently Asked Questions

Can these be sublimated with both a heat press and an oven?
Yes. The manufacturer recommends 334 Degree Fahrenheit for 50 seconds with a heat press or 300 Degree Fahrenheit for 6 minutes in a convection oven, best used with sublimation shrink wrap.

Do the tumblers keep drinks hot or cold?
Yes. They feature a double-wall vacuum insulated design that helps keep drinks warm or cold longer than single-wall options.

What comes in the package?
The pack includes eight 20 oz straight tumblers, stainless steel straws, push-on Tritan splash-proof lids, and each tumbler is individually boxed.