The Grenade Skullbomb backpack in is a great classic skate backpack with skate straps on the front so you can secure your deck while at school or just walking in the streets.
The Grenade backpack by Quiksilver features a large main compartment, internal laptop sleeve, skate straps, large front pocket with built in organizer, music center and cord ports, and adjustable straps.
The Grenade Backpack by Queen of Darkness is a badass rucksack in a grenade shape, including a pull ring that can be used to clip stuff to! This small bag packs a powerful punch and makes for a great accessory!
The Grenade Logo backpack in black with a Rasta Grenade logo is a classic skate pack with skateboard straps on the front so you can secure your deck when you are hanging around.