BoxSizeFit / Shipping guides

Shipping guides

How to pack and ship the things resellers sell most, and how to pick the right box and postage for them.

By what you're shipping

• How to ship electronics with lithium batteriesPhones, laptops, and power banks: the ground-only rule for used devices and the markings USPS wants.
• How to ship a handbag or purseStuffing, hardware, box vs mailer, and box sizes for every bag style.
• How to ship makeup and cosmeticsStopping cracked powder and leaks, plus which products like nail polish and aerosols go ground only.
• How to ship shoes and sneakersShoebox sizes, double-boxing, shoes without a box, boots, and avoiding size-based charges.
• How to ship perfume and cologneGround-only rules, the $50 USPS hazmat fee, and packing a bottle so it can't leak.
• How to ship booksWhat qualifies for Media Mail, mailer and box sizes, and stopping bent corners.
• How to ship Funko PopsPop box sizes, protectors, shipping lots, and out-of-box figures.
• How to ship posters and art printsTube sizes, rolled vs flat, USPS tube fees, and framed art.
• How to ship candlesBox sizes, packing glass jars, and shipping in summer heat.
• How to ship trading cardsPenny sleeves, toploaders, eBay Standard Envelope, and graded slabs.
• How to ship comic booksBag and board sizes, the cardboard sandwich, lots, slabs, and Media Mail rules.
• How to ship jewelryTangle-proof packing, mailer vs box, small box sizes, and insurance.
• How to ship vinyl recordsLP mailer sizes, stopping seam splits and warping, and Media Mail.
• How to ship clothesPoly mailer vs box, and what size you need for each kind of clothing.

Boxes and postage

• USPS Flat Rate box sizesDimensions of every flat rate box and what actually fits in each.
• Priority Mail Cubic pricingThe size-based pricing option most sellers don't know about.