OVER 250,000 GIFTS DELIVERED
Since 2020, our studio in Florida has shipped over 250,000 gifts—and counting.
Our commitment to quality and connection is reflected in our glowing 4.8/5 rating from over 10,000 verified reviews. Every gift we send out is a step toward our goal of bringing people closer together, one gift at a time
MADE IN THE USA
All our products are made with love in the USA.
HAPPINESS GUARANTEE
This product is backed by our 100% Happiness Guarantee.
At Mallard Moon, we deliver high-quality gifts designed to bring joy and connection. If for any reason you're not 100% satisfied, just reach out. We're committed to making it right, or we'll gladly take it back.
READY TO GIVE
All our products are presentably packaged for hassle-free gifting.
SHIPPING INFORMATION
Estimated delivery times:
US: 5-7 business days.
Canada: 5-9 business days
Australia/New Zealand: 5-9 business days
UK & EU: 5-7 business days (ships from Amsterdam)
Rest of the world: 2-4 weeks
*addition 1-3 days lead time for personalized products
Please note: We currently do not deliver Canvases to PO Boxes as UPS does not deliver to PO Boxes, so please provide a different address that we can ship to.
Designed for sisters-in-law who love humor and practical gifts, this insulated tumbler brings a smile to everyday moments. It features the playful print: "They Call Me Sister-in-law Because Partner In Crime Makes Me Sound Like A Bad Influence." Perfect for Valentine’s Day or any day you want to celebrate your bond with a wink.
- Size and capacity: Available in 20oz or 30oz, letting you choose the right size for hot coffee, tea, or cold iced beverages.
- Material & finish: Durable stainless steel with a sleek black powder-coated finish that resists daily wear.
- Engraving: Laser-engraved in our workshop—permanent, fade-proof design that won’t peel or wear off over time (not printed or vinyl).
- Insulation: Double-wall vacuum insulation keeps drinks hot or cold for hours, ideal for commutes, workdays, or workouts.
- Lid: Included lid helps maintain temperature and makes sipping convenient on the go.
- Care & durability: Built to last with easy cleaning, ensuring this keepsake stays spirited and reliable for years.
- Gift potential: A thoughtful Valentine’s or “just because” gift from a sister or friend to a sister-in-law who loves coffee, tea, or hot chocolate.
This tumbler goes beyond a simple mug—it's a reliable everyday companion that blends humor with practicality. The permanent laser-engraved message stays legible through daily use, travel, and washing, turning ordinary moments into smiles. With its temperature-retaining design, hot beverages stay hot during busy mornings and cold drinks stay refreshing during trips or workouts. The durable construction and stylish black finish make it a dependable choice for commuting, gifting, or gifting often—so you can celebrate your unique sister-in-law bond with a meaningful, everyday keepsake.