is each strap 24 inches long

YES，each strap of aprons are 24 inches to 25 inches

Is this material good for heat press?

For pressing with heat you need to change the temp to 270° and press for 10 secs

How can I order those with our customize logo like I see in some review? I have already the vector file of our logo.

I’m not sure I saw that option. It may be something after purchase or it may require a call to Amazon. Good luck

Can they be sublimated?

Absolutely. I purchased them expressly for sublimation and it works fine. I use 350f at medium pressure for thirty seconds. Time, temp, and pressure may vary depending on your heat press. I'm sure you're aware that it won't work on the dark aprons.

ASIN	B07HRKS48S
Best Sellers Rank	#9,255 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #40 in Aprons
Customer Reviews	4.5 4.5 out of 5 stars (9,948)
Date First Available	September 28, 2018
Is Discontinued By Manufacturer	No
Manufacturer	NOBONDO

NOBONDO Cooking Apron, 12 Pack Unisex Black Aprons with 2 Roomy Pockets, Machine Washable for Kitchen, Crafts, BBQ, Drawing

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