Making sure those serving in the nation’s armed forces receive their care packages from home in time for the holidays is a priority for friends and family members of military personnel serving around the world and for the U.S. Postal Service.

The deadlines for Christmas delivery of APO/FPO and overseas Military Mail are:

Dec. 3: Priority Mail and first-class letters destined for APO 093.

Dec. 10: Priority Mail and first-class letters to all other APO/FPO/AA/AE destinations.

Dec. 17: Priority Mail Express to all APO/FPO/AA/AE destinations (not available for APO 093).

The Postal Service offers a $2 per box discount on its largest flat-rate box for mail destined to APO/FPO/DPO (Air/Army Post Office, Fleet Post Office, Diplomatic Post Office) destinations worldwide. The cost is $14.85 and features the “if it fits, it ships” one-price feature.

The Postal Service also offers a free Military Mail Care Kit that can be sent to your home. The kit contains Priority Mail Flat Rate Boxes, tape, address labels, and customs forms. To order the kit, call (800) 610-8734.

Some countries have restrictions on what you can send, so it’s always safe to check your local Post Office or go to usps.com/send/apo-fpo-dpo.htm