World's Best Sister Mug

In case she’s forgotten how important she is, this personalizable "World's Best Sister" mug will serve as a daily reminder.


Make it extra special by personalizing the back with your own personal message.



  •  Available sizes: 11 oz or 15 oz
  • 100% white premium ceramic mug
  • Dimensions: 11 oz: 3.70" x 3.20" // 15 oz: 4.50" x 3.40"
  • Designs are permanent and will not peel or wash away
  • Dishwasher (top rack) and microwave safe
  • Designed and printed in California

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