You don't need much to do this yourself, the can itself is made from a bicycle inner tube, Sugru, an empty plastic bottle, an empty spray can, and paint ... colors and refill it when needed.

Consumer goods company Unilever has launched Cif ecorefill, a concentrated cleaning product that can be diluted at home within a refillable spray bottle, to reduce plastic use. The Unilever ...

[Mikeasaurus] found a way to build his own refillable spraypaint canister ... He repurposed the spray nozzle from a commercial spray paint can. By first releasing all of the pressure from the ...