Rubber Person (5e Race Variant)
From D&D Wiki
Rubber Person Traits
The following traits replace the normal Ability Score Increase from the human race.
Ability Score Increase. Your Strength and Dexterity scores each increases by 2.
Rubber Body. Your entire body is made of highly elastic rubber. Any of your body parts can be stretched up to 30 feet. You have immunity to nonmagical bludgeoning damage and immunity to lightning damage.
Rubber Fortitude. You can't be paralyzed. You are also unnaturally tough, you gain the Tough feat.