Jacked Pack Memorial Day Sale: Get Up to 20% Off! Posted by Hello Subscription on May 24, 2019. Memorial Day Subscription Box Deals / Subscription Box Coupons & Deals / Jacked Pack Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Jacked Pack has a new sale this Memorial Day! Get $5 off your first box! Use the coupon code JPMEM5. Get 20% off for life when you sign up for 6+ month subscription! Use the coupon code JPMEM20. Visit Jacked Pack to subscribe or find out more!