This Doorstop is available on Etsy.
One-off cube doorstop with handle, made entirely with upcycled fabrics. It is filled with stuffing and a secondary weighted bag inside.
Measurements (all measurements are approximate):
Height ~ 12cm (4.75")
Height including strap ~ 16.5cm (6.5")
Width/Depth ~ 12cm (4.75")
Diagonal base ~ 16.5cm (6.75")
Strap length ~ 16cm (6.25")
Weight ~ 665g