S'mug is my favorite thing to drink from. Its a leather sleeve that fits over a regular 600ml mason jar (sold seperately) 

S'mug - Handmade Leather Sleeve

SKU: 364115376135191
  • A S'mug is a handmade leather sleeve that fits over all 750ml wide mouth mason jars. Wash lightly with soap and water. Manufactured by my friend Kjell in Alberta, Canada.