[Features] Simplicity and fashion, heat insulation and thermal insulation, button opening [Design concept], simple and elegant appearance; Stainless steel vacuum insulation structure, excellent thermal insulation effect; Food grade PP anti scald cup mouth, anti scald and leak proof; Button type rotary lock, easy sealing, efficient heat preservation; Wide mouth design, easy to put into ice cubes and other large volume of foam; The cup mouth is equipped with a silicone rubber ring, which is safe, sealed, and sanitary. "