Made of 100% BPA free silicone, this alphabet puzzle is vibrant, textured, and durable! Puzzle and pieces are dishwasher safe for sterilization, making it the perfect educational toy for classrooms & shared learning environments (pieces are hollow from the back side, to prevent mold growth within the toy)! Pieces are hollowed out (to avoid concern for unseeable mold growth within the toy). All pieces utilized different textures to include our sensory based learners! Light weight and easy to take on the go. Includes all 27 letters of the Spanish alphabet and letter names printed on the board, use letters to learn alphabet basics and then advance to word creation!