Sitting baby Perfect for teething First solid food Dissolves easily, no mess Baby Mum-Mum is the original and most popular rice teething wafer in North America, parent trusted for over 25 years. They are made from premium Japonica rice and dissolve easily, making it a perfect gluten free, no-mess choice for your child. You may give Baby Mum-Mum Gentle Teething Wafers to your child as soon as they are ready for solid food.