The 16oz CasaWare Tea Infuser Mug Gradient series has a handcrafted effect that makes a basic color interesting. The mug is made from high quality stoneware. The exterior of the mugs has the gradient look. The interior of the mug is glossy white which allows you to see the strength and color of the tea as it steeps. The mug comes with a stainless-steel fine mesh tea infuser. The infuser has a v-shaped clip that allows the infuser to rest on the mug while draining. The lid doubles as a lid and infuser holder. The product comes in a colored gift box. The mug and strainer are dishwasher safe. The mug is microwave safe. Do not put the stainless-steel strainer in the microwave. The product is BPA free.