PUBG School bag three-level large capacity backpack waterproof multi-function Level 3 backpack : Buy Online at Best Price in KSA - Souq is now Amazon.sa: Fashion
Huntvp PUBG Rucksack Level 3 Tacticalk Laptop Military College Tasche, Unisex-Erwachsene (nur Neuheiten und Gepäck), camouflage, 13.4"* 7.9" * 19.3" : Amazon.de: Sport & Freizeit
Found a level 3 backpack : r/PUBG
So the level 3 backpacks came to real life, and are sold in korean websites. I want one.... : r/PUBATTLEGROUNDS
Steam Community Market :: Listings for PCS3 Golden Flurry Backpack (Level 3)