Frequently Asked Questions

All Biddlebee tumblers — the 30oz Signature, the 20oz tumbler, and the Biddy Brew — keep drinks cold for up to 24 hours and hot for up to 2 hours. This is the result of double-wall vacuum insulation across the entire range. Actual performance depends on starting temperature, ambient conditions, and how often the lid is opened.

All Biddlebee tumblers — the 30oz Signature, the 20oz tumbler, and the Biddy Brew — are fully stainless steel construction, interior and exterior. 18/8 food-grade stainless steel throughout. No coatings, no linings — just high-quality stainless that is BPA-free, non-toxic, and built for daily use. Hand wash is recommended to protect the vacuum seal and exterior finish over time.

Yes. The Signature Collection 30oz tumbler is designed to fit standard car cupholders. The silicone boot accessory provides additional grip and a slightly slimmer profile if needed.

The raised textured print is applied using a durable coating process designed to hold up to daily use. It is not a decal or sticker — it is part of the surface of the tumbler. With proper hand washing, the print is designed to last. Avoid abrasive scrubbers on the exterior.

Biddlebee currently offers three tumbler sizes. The 30oz Signature Tumbler is the flagship — big enough for a full morning, fits standard car cupholders, manageable one-handed. The 20oz Tumbler is the same double-wall vacuum insulated stainless steel construction in a smaller footprint — includes a straw lid and a Hive Charm, no silicone boot. The Biddy
Brew is also 20oz with the same stainless steel construction but comes as a complete set: slider coffee lid, silicone boot, and a handle — ideal for hot drinks on the go. A Hive Charm is included as standard.

Hand wash is strongly recommended for all
Biddlebee tumblers — the 30oz Signature, 20oz, and Biddy Brew. High heat and harsh dishwasher detergents degrade the vacuum seal over time, which reduces insulation performance. The exterior finish and any printed design can also be affected by repeated dishwasher cycles. Hand washing takes thirty seconds. The tumbler lasts for years.

No. None of the Biddlebee tumblers — 30oz Signature, 20oz, or Biddy Brew — are microwave safe. Stainless steel construction is not compatible with microwave use. To reheat a drink, transfer it to a microwave-safe mug first.

All Biddlebee tumblers are constructed from 18/8 food-grade stainless steel — interior and exterior — with a powder-coated exterior finish, BPA-free lid components with gold-tone hardware, and a gold enamel Hive Charm included as standard. The stainless steel interior is the same construction across the 30oz Signature, 20oz tumbler, and the Biddy Brew.

Yes. All Biddlebee tumblers are BPA-free. The 18/8 food-grade stainless steel body and all lid components contain no BPA.

Tumbler body (all sizes): hand wash with warm water and mild dish soap. Use a soft bottle brush for the interior. Rinse thoroughly and air dry with the lid off. For any stubborn residue on the stainless steel interior, warm water and a small amount of baking soda left for 30 minutes then rinsed works well.

Biddy Brew slider lid: top-rack dishwasher safe.

Straw lid (30oz and 20oz): top-rack dishwasher safe.

Charm: wipe with a soft damp cloth. Do not submerge. Polish with a soft jewelry cloth.

The Biddlebee wine tumbler 2-pack is a set of two insulated stemless wine glasses. They are sold as a pair because that is how wine actually gets consumed — with someone else. Book club, the porch, Tuesday evening after the kids are down. A single wine tumbleris a practical purchase. A matched pair is an experience.