Probably The Best Mum Travel Mug £17.99 Name on Product: Name on Product 0 characters left. Quantity: at £17.99 each Add To Basket Personalised Probably the Best Mum white travel mug. Personalise this thermal mug with her name. The text PROBABLY THE BEST MUM IN THE WORLD comes as standard. Dishwasher safe. Dimensions: 15.5cm x 12.5cm - including handle.