Product Features: - BPA-free - Food grade silicone - Dishwasher friendly - Clear glass chamber - Glass pull-out included We all live in a silicone submarine. Dive deep beneath the waves with this portable 5” Submarine Bubbler from LIT™ Silicone. Made from BPA-free, food safe, dishwasher friendly silicone and includes a 100% borosilicate glass pull-out. Comes in multiple colourways.