The stainless steel Kid Kanteen Kid Classic Sport 355ml water bottle was designed with kids in mind. The perfect size for little ones hands and made with safe, healthy and durable materials, like all Klean Kanteens! Leak resistant Sport Cap 3.0 helps keep liquid contained, comes with a soft silicone spout safe for new teeth and loop so it can be easily attached to a bag. Add a leak proof Loop Cap to make it safe in a lunch box or backpack. Compatible with all Klean Kanteen Classic Caps for easy transition as kids grow up, or new ones come along, providing a lifetime of use, as long as they don't get lost!