Sending a 'medium parcel' within the UK or overseas? The dimensions of your item will affect the postage or delivery costs.
Is a parcel a package? - Impact Express
USPS Express Mail, Postal Service Overnight Delivery
GoGo Xpress Packaging Guidelines
Express All Services
United Parcel Service - Wikipedia
What Does It Mean When a Package Is in Transit?
Sizes & Weights
Calculating Size & Weight, Packaging Your Shipment
Courier Express and Parcel Services: Procurement Research, Market
Global Courier, Express, and Parcel Market to Accelerate at a CAGR
How to Choose the Right Size Box & Calculate Shipping Costs