Tetra Drip Instructional Video

Collapsible coffee dripper (Small) from Munieq in Japan. 
Stores flat, minimalist design
Lightweight, easy to assemble, combines stability and portability
Brews up to 1.5 cups of coffee, compatible with conical filters
Can be placed on a cup/bottle with a mouth diameter of 40-95mm
Available in stainless steel and polypropylene.