Portable size:320ML/11oz capacity, 18.57CM, portable to put it into your bag and convenient to carry it out.Healthy material:This cute thermal is made of high quality food grade 304 stainless steel+PP, Free of BPA materials, chemical toxins or metallic aftertaste transfer. Anti-corrosion and rust prevention, smooth texture, healthy and environmental protection.Vacuum Insulation:This kids thermal bottle has a double wall exterior with a vacuum between the walls, keep water hot for 6 hours, cold for 12 hour. Even filled with ice or boiling water, the bottle will never sweat or get hot to the touchCute style: Cute thermal portable drinking mug, can be used for home, office, travel, school and more occasions.Sealed and Leakproof:Wide drip-free mouth opening for ice cube or fruits insertion, with special screw-on cap and lock lid, easy to drink and also leak-proof.