Based on this product's specifications, here are some alternatives and similar models
Thermos KingHoff KH 4052 — 500 ml stainless steel flask with automatic stopper and material cover
Summary description:
KingHoff KH 4052 is a 500 ml thermos flask designed to maintain beverage temperature. Constructed from stainless steel with a removable material cover, it features an automatic stopper with a pourer for convenient one-hand pouring without full uncapping. Suitable for hot and cold drinks, travel, office use, outdoor activities and daily commuting.