The soft silicone spikes on our water bottle are great for fidgeting and sensory exploration. Great for use at home, in a lunch box, at sports games or on the go. Great for outdoor and indoor activities. Sensory silicone sleeve, easy to grab handle and straw are made of soft, light, high-quality food grade silicone. The leak-proof water bottle is made of break-resistant, durable, non-toxic, quality Tritan, which is odor, scratch and shatter resistant. Easy to clean and top rack dishwasher safe. The playful bottle is perfect for children of all ages, including toddlers and kids who love to fidget and play during snacks and lunchtime. Perfect for gifting, daycare, lunch boxes, back to school and more. Fits in car cup holders and strollers. Wide mouth makes filling easier. The flip top spout design is easily accessible by toddlers and young children, supporting independent feeding.