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Funny Sister Tumbler Gifts from Sister to Sister, Unique Birthday Unique Gifts for Sister, I Smile Because You Are My Sister Tumbler - Main
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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.

Brighten your Sister's birthday with a playful, heartwarming tumbler that speaks volumes. I Smile Because You Are My Sister, I Laugh Because There's Nothing You Can Do About It! is printed on a durable, on-the-go tumbler designed for sisters who love their beverages during busy days, commutes, or relaxing moments at home.

  • Capacity: Available in 20 oz and 30 oz sizes to suit her daily refill needs and travel habits.
  • Material & Finish: Stainless steel construction with a powder-coated finish for lasting durability and a comfortable grip.
  • Insulation: Double-wall vacuum insulation that keeps hot drinks hot for hours and cold beverages cold for longer, so she can enjoy her favorites anytime.
  • Lid & Spill Prevention: Comes with a lid to help prevent leaks while commuting, working, or on the move.
  • Gift Message: Features the funny, heartfelt quote that celebrates sisterhood and brings a smile on her special day.
  • Care & Maintenance: Easy to clean and built to withstand daily use, making it a practical gift she’ll reach for every day.
  • Versatility: Ideal for coffee, tea, soda, or water—hot or cold—so it adapts to her beverage preferences and routines.

This funny sister tumbler is more than a gift—it’s a thoughtful reminder of your bond. Its sturdy stainless steel body and powder-coated finish stand up to busy days, while the on-trend design and witty message set it apart from ordinary drinkware. Whether it’s for a birthday, Christmas, or a simple “thinking of you” moment, it’s a unique, practical present that shows you care and that you truly understand her sense of humor.

Features and details:

  • Laser engraved in our workshop – permanent, fade-proof design (not printed or vinyl)
  • Black powder-coated stainless steel for a sleek, modern look
  • Double-wall vacuum insulation keeps drinks hot or cold for hours
  • Durable stainless-steel construction built for daily use
  •  Clear, spill-resistant lid included
  • Fits most cup holders – great for work, travel, and errands

 Available sizes:

  • 20oz – perfect for everyday coffee or tea
  • 30oz – ideal for long days and extra hydration

 

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