Measure the inside dimensions of your box length, width, and depth. It is very important to give us the three dimensions accurately.
Maximum Parcel Limits To determine if a carton meets maximum parcel limits:
Double both the smallest and medium dimensions
Add the longest dimension
Add 1 1/2 inches
The total figure must be under parcel limits: Maximum size: UPS = 108"; Parcel Post = 84" Maximum weight: UPS = 50 lbs. in Ohio; 70 lbs. out of state; Parcel Post = 40 lbs.