Klean Kanteen Classic stainless steel 12 oz bottle is designed with kids in mind. Spill proof sport cap with dust cover, soft silicone spout and loop so it can be easily attached to a bag. Bright cap colors and graphics keep hydration fun. Chip-resistant Klean Coat finish is durable and safe for people and planet. Compatible with all Classic Caps for easy transition as kids grow up, providing a lifetime of use. Sport cap recommended for kids ages 4+.