Most compact trampolines in the results list common diameters of 36 inches and 40 inches.
Some foldable rebounders compress substantially for storage — one listing notes it reduces to about 15"×30", and others describe a quarter-fold design for compact stashing.
Most listings advertise very quick setup, typically around 5 minutes or "less than 5 minutes," thanks to pre-assembled parts.
Reported product weights in the results include about 17.0 pounds and about 25 pounds; weights vary by model, so check the product page for exact figures.
Jumping-area dimensions vary across models: examples in the results show roughly 2 ft × 2 ft and about 3.3 ft × 3.3 ft, and several listings also cite diameters around 36 inches.