From Brotato Wiki
Plastic Explosive
Item
Tier 3
Item
Plastic Explosive is an in-game item that can be bought from Shop or can be found in a Crate. Most Items increase the Stats of the player while some of them provide unique effects.
Plastic Explosion
Plastic Explosion increases the size of any explosion you cause by 25% per Plastic Explosive you have.
See the Explosion page for a list of Explosion Sizes.