Special gifts: As a special care for kids using, the metal flask comes with a bonus silicone boot. Most of kids bottle damage because of accident dropping. The silicone boot provides extra protection for the bottles from dent and scratch when occasional knocks & drops. Safe hydrate: Made of premium 18/8 stainless steel, without rust & stain. Children never smell the metal & rusty smell from the thermo canteen. The lids are made of high quality plastic. Food grade material, BPA free, Non-toxic, all safe for your kids healthy hydrated. Unique design: The water bottle designed with attractive colors & printings for boys and girls of all ages. An Ideal gift for your kids for Birthday, Children's Day, Christmas, New Year, Back to School. Just choose this metal flask with kids favorite cartoons and keep your kids hydrated healthy every day. Double wall insulation: The double wall vacuum insulation provide makes the water flask sweat-free and provide perfect temperature control. K