unrippable
/ˌənˈrɪpəbəl/Definitions
1. adjective
Impossible to rip or tear apart; extremely durable or resistant to damage.
“The unrippable fabric of the tent was a major selling point for campers.”
2. adjective
Unable to be ripped or torn apart.
“The unrippable seams on the expensive dress made it look high-end.”