Aero Flask
Aero Flask
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Product Description
The Aero Flask from MiiR has arrived! Built with durable stainless steel that won’t transfer flavor between fluids, the latest addition to MiiR’s barware collection comes in a sleek matte black finish and single wall ergonomic design that fits comfortably in your hand. Sip your spirits in style. Up to 8 ounces in a single fill.
The wide-mouth, stay-open hatchback cap makes refills simple and easy. And you’ll never have to worry about losing the cap –– it’s attached! Focus on finding the vibes, whether that’s in your backyard or the backcountry. The Aero Flask is the perfect on-the-go companion for all your adventures and after-hours aperitifs.
Care
Keep your drinks tasting the way you intended by washing your Aero Flask between uses. Hand wash recommended. Top rack dishwasher safe. Wash before first use. Do not freeze, do not microwave, do not bleach, do not overfill.
CAUTION: This product is single wall, non-insulated. Not intended for use with hot beverages. Choking hazard, may contain small parts not suitable for children under 3 years.
Shipping & Returns
Shipping & Delivery
- We offer standard ground and expedited shipping options via UPS and FedEx.
- We can ship internationally. Work with us as we will need more information regarding International shipping before you place an order online.
- MiiR is not liable for shipping delays caused by carriers, weather, or other events beyond our control.
- Once an order leaves our facility, risk of loss or damage passes to the customer.
Returns, Refunds, or Reprints
- MiiR must be notified within 5 business days of delivery regarding any defects in the order.
- Customers must submit clear photographic evidence of the defects for review.
- MiiR may require the return of 100% of the defective order prior to initiating a reprint.
- If a return is required, MiiR will provide a prepaid shipping label and cover all return shipping costs.
- Approved reprints will follow the original production timeline and shipping method selected.
- If a refund is issued, it will be processed within 3 business days of approval.
- All sales are final. No returns or refunds will be accepted for reasons other than confirmed defects.
Size Guide
Decoration Examples
Our Decoration Options

Single Color
Screen printing uses a stencil mesh to imprint ink layers onto our products. Choose any Pantone colors, or let our art team custom-match your brand colors. Limit of four* colors.
Not available for the Everywhere collection.

Multi-Color
Digital CMKY printing is ideal for intricate artwork, whether it's one color, multicolor, or a full wrap. It's available for most stainless steel products and it's the exclusive printing option for the Everywhere collection.
Not available for the All Day Straw Cup, Tomo, and Camp Cup family.

Laser Etch
Laser etching involves using a laser to carve away a product's powder coat finish to create a design, unveiling contrast and depth. High-contrast, single-color artwork is ideal for this decoration method.
Not available for the Everywhere collection.

Don’t see a product or color listed?
Not all of our products are available to customize online (yet). Send our team a custom order request and we will get back to you within one business day.
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