Vacuum Sealing Clothes to Lower Oopbuy Volumetric Weight

Vacuum sealing is the closest thing to a magic trick in the world of oopbuy shipping. By removing air from soft goods like clothing, bedding, and plush accessories, you can reduce a parcel's volumetric weight by 40% or more. This guide explains how vacuum sealing works, what items are eligible, and how to request it from your agent.

Volumetric weight is calculated by multiplying a parcel's length, width, and height and dividing by a dimensional factor, usually 5000 or 6000 depending on the courier. A large box filled mostly with air gets charged like it is heavy even if the actual contents weigh almost nothing. Vacuum sealing collapses soft items into their densest possible form, shrinking the box dimensions and therefore the billable weight.

The ideal items for vacuum sealing are clothing, towels, blankets, pillowcases, and soft accessories. Hoodies, t-shirts, and sweaters compress beautifully. Down jackets also work well because the air inside the baffles escapes easily. Hard items like shoes, electronics, and rigid boxes cannot be vacuum sealed and should be packed separately.

When requesting the service, ask your agent to group seal by category. Put all tops in one bag, all bottoms in another. This prevents deep wrinkles and makes unpacking easier. Some agents offer a "light vacuum" option that removes some air while leaving garments relatively fluffy, which is ideal if you hate ironing.

Be aware that vacuum sealing can cause temporary creasing. Most wrinkles fall out after a day of hanging. For delicate fabrics like silk or linen, avoid vacuum compression entirely. Also, never vacuum seal items with sharp embellishments like metal studs or thick embroidery, as the pressure can damage the garment or puncture the bag.

For a list of agents offering vacuum sealing and their current service fees, check our main directory. For more shipping cost reduction strategies, back to our homepage and start saving today.