The following items are resistant to aging for 1-30 days.

AUG A3 E-Sport
Barrett M82A1 Mangosteen
Kriss S.V PBST 2017
AUG A3 Pirates
Golden Pirate Gun
Fang Blade Star
Golden Pirate Hide
Golden Pirate ViperRed
Mega HP 10%
Bullet Proof Vest+
Point 25000
Point 50000
Point 100000