Who makes the best boxes for shipping albums. Not bulk, just a few at a time

I get them on eBay, just do a search for record shipping boxes.

Search for “ record mailers “

Best: for me is least expensive to keep shipping cost down for buyer.

I’m not selling collectibles, so I can keep it simple, and keep shipping costs down, nothing fancy: lp in it’s sleeve, in a box. watch your unit price, look out for excess shipping costs

here’s .60c each, free delivery (add tax).

https://www.amazon.com/Kshioe-Record-Shipping-12-5in12-5in1in-Mailers/dp/B092J3NWBD/ref=sr_1_23?hvadid=616863247803&hvdev=c&hvlocphy=9003512&hvnetw=g&hvqmt=e&hvrand=12482783388837832379&hvtargid=kwd-4766850229&hydadcr=24634_13611738&keywords=vinyl%2Brecord%2Bmailers&qid=1680521046&sr=8-23&th=1

They fold, either 1/2" or 1". Typically: just 1/2/3 lps Inside: I use usps priority mail stiff envelopes tripled over. like a spring, to take up the extra inside height, cushion the lp/lps if only a few. fed ex letter envelopes the same, any stiff cardboard that can be rolled to be like a spring.

Recently I sent 100 to one nephew, 50 to the other. You can fit 8-10 lps in the 1" height, tape em tight, they all arrived safely.

If BEST means best method/protection for collectibles, that’s a whole different category of box.

I buy albums from Amazon, and the boxes they use are very protective (new lp with lp in the sleeve), I save the boxes. Others, remove the vinyl from the sleeve, add new static free liners, ...

IF you are selling collectibles, buyers will pay, AND give you high feedback for your excellent/safe packaging, which gives future buyers confidence, your list of satisfied customers grow.

My methods, more common R2R tapes/LP's, I have 100% rating. I stopped for a while, I've got to get back to selling. Even desirable rock, say bid up to $75., I shipped with my .60c box/inner spring, happy customer.