Umai Crate Coupon: Get Bonus 24K Gold Yakisoba! Posted by Hello Subscription on May 9, 2019. Subscription Box Coupons & Deals / Umai Crate Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Umai Crate is giving BONUS 24K Gold Yakisoba with your first crate! Just use the coupon code GOLD when you subscribe! Visit Umai Crate to get this deal!