These spring covers are suitable for your trampoline:

Pad for Trampoline Digital 140cm
19 € (14%) 16,40 
In Stock
Replacement trampoline pad, easy and quick assembly, prevents injury. Buy
The Spartan 140 cm trampoline spring cover
On the way
Perimeter crossings though the trampoline legs, sewn in elastic rubber, easy and fast … Buy
Pad for 140 cm trampoline
22,90 € (45%) 12,50 
On the way
Separate protective spring cover for trampoline 140 cm. Buy