High-quality silicone cup for straw training! 3 pieces: cup, straw, lid. Lid is reinforced for less mess and fewer spills. 180mL capacity (6.7oz) with clear volume markings on the inside. 5” tall. All SimplySupplied products are made of BPA-free, FDA-approved food-grade silicone. Straw can be removed for easy cleaning. Dishwasher safe, easy to clean.