
Springy
Physical Objects
 Use 'springy' for objects you can press or stretch, like a sponge. 
This yoga mat is really springy.
 Not for Liquids
 'Springy' isn't used for fluids, it's for solid items that return to their shape. 
The foam in the seat cushion is quite springy.
 Durability Implication
 'Springy' often suggests an item is new or well-made, able to rebound. 
These new sneakers have a springy sole for running.