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Sandboxx for Recruiters: Send Letters for Free

Staying connected during boot camp is a lifeline for recruits. Letters are a powerful source …


Staying connected during boot camp is a lifeline for recruits. Letters are a powerful source of motivation and a reminder of the support system waiting for them at graduation. Sandboxx understands this! We make sending physical letters to recruits simple and – completely free for recruiters through our app. With a few taps on your phone, you can include a motivational photo and message, all transformed into a professionally printed letter delivered straight to your recruit’s mail call.  Never before has sending words of encouragement to boot camp been so quick and hassle-free!

How Can I Write Letters for Free?

  1. Download Sandboxx and create an account.
  2. Select How do you want to use Sandboxx? Manage recruits
  3. Select which best describes you (National Guard, Reserve, or Active Duty)
  4. Select your branch of service 
  5. Input your email: You must use your  .mil email to be eligible for free letters
  6. Tap Profile and add your rank 
  7. Once your profile is complete, you can request letters. To do so, click the text icon in the bottom right corner of your screen. This will take you to our Customer Happiness portal where you can message our team to request free letters be added to your account. 

We recommend you connect your account with your recruits prior to their ship date to make writing even easier. However, if you’re unable to do this, you can add your recruit’s address to the app once you have it. 

How Do Sandboxx Letters Work?

At Sandboxx, we employ a consistent “5-Check” process for each Letter that we send to ensure that the words you type and the pictures you take get delivered to base worry-free.

Here’s what you should expect the next time you use Sandboxx to send a Letter to your recruit.

STEP 1: Drafting Your Letter

The Sandboxx app makes it as easy and convenient as possible to send a Letter from the palm of your hand, wherever you may be.

  1. Download and open the Sandboxx App
  2. Once logged in, tap “Write Letter”, and begin writing your message.
  3. After you’ve written your letter and added an optional photo, just tap Send. 
  4. Once you send your letter, it will be processed at our printing facility the same day (if submitted before 4:30 pm ET, Monday-Friday).
  5. If you’re sending a letter to one of the bases that offer overnight shipping, you’ll be able to track the status of your letter in our mobile app as soon as you tap “Send”.

STEP 2: Receiving

As soon as you send your letter via the Sandboxx app, we verify the recipient’s address. If any errors are found, we will notify you of these so corrections can be made. 

STEPS 3: Processing 

After each letter is printed, we then use a machine that applies over 3,000 pounds of force to fold and seal it. Then, we sort it by Marines and Army Company, Air Force Flight, or Navy Ship.

This marks our third check of the day and allows us to ensure that each base is able to quickly distribute the Letters upon delivery.

STEP 4: Shipping

After we complete our last letter print of the day at 4:30 PM Eastern time, we check over the Letters to ensure each Letter is set to be shipped to the correct destination.

STEP 5: Delivery

Each box of 1,000 letters is double-sealed and then dropped off at FedEx, our trusted shipping partner ensuring these important packages arrive at each base the following day.

Please note that a letter with the delivery status of “Delivered” does not mean that your letter has reached your recruit’s hands, but rather that your letter has reached the mailroom on base and is waiting to be distributed to your recruit.

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Jeremiah Runser