This sensory tablet features 25 dimpl bubbles made from food-grade silicone, embedded in a durable ABS plastic frame. The bubbles come in four different sizes, designed for tactile stimulation and fine motor skill development. The frame measures 10.5 x 10 x 1.25 inches and is BPA-free, meeting safety standards for children ages 3 and up. The silicone buttons provide a satisfying pop-and-poke experience, promoting calmness and focus. The entire unit is hand washable for easy maintenance.