The Flask - Angular Closed Terrarium - MediumThe Flask, our medium 5 litre angular closed glass bottle terrarium kit provides a contemporary feel for your indoor garden ecosystem. The wide neck enables easy access, and the small but adequate size allows many options for placement around the home. A perfect gift for any plant lover or home decor enthusiast. This closed terrarium is available with living moss and plants to give a real lush forest feel. Our closed terrarium kits contain all the