Surprise your step-mum with this personalized "Bonus Step Mum" cup mug, perfect for Christmas, birthdays or Mother's Day. Featuring a humorous design, this novelty gift is a great way to show your appreciation for your step parent. The keepsake cup is made of high-quality materials and is suitable for use at home or in the office. Treat your "bonus mum" to a special present she'll cherish every time she enjoys her favorite hot beverage.