Klean Kanteen's stainless steel Insulated Classic Sport kid 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. Klean Kanteen'schip-resistant Klean Coat finish is four times more durable and safe for people and planet. Vacuum-insulated Climate Lock keeps contents hot up to 12 hours and iced up to 40 hours. Compatible with all Klean Kanteen Classic Caps for easy transition as kids grow up providing a lifetime of use, as long as they don't get lost! Sport cap recommended for kids ages 4+.