MAINLINE PROTECTOR
6.50 × 4.25 IN
Designed for standard Mainline and Matchbox cards.
25 PCS50 PCS
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BUILT FOR COLLECTORS. MADE TO PROTECT.
PROTECT YOUR HOT WHEELS COLLECTION
Clear PET protectors designed for crystal-clear visibility, rigid protection, and a precise fit across Mainline, Premium, 2-Car Pack, and Team Transport cards.
CHOOSE YOUR PROTECTION
PREMIUM PROTECTOR
6.50 × 5.25 IN
Clear, rigid protection designed for wider Premium cards.
5 PCS10 PCS60 PCS
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TEAM TRANSPORT
6.50 × 8.00 IN
Display-ready protection for Team Transport cards.
5 PCS10 PCS20 PCS
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2-CAR PACK
6.50 × 8.35 IN
Purpose-built clear protection for Twin Pack and 2-Car Pack cards.
5 PCS10 PCS15 PCS
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PRECISION FIT
FIND YOUR FIT
Choose the card type you collect to find the matching protector.
STANDARD CARD
MAINLINE PROTECTOR
6.50 × 4.25 IN
FITS STANDARD MAINLINE / MATCHBOX
Crystal-clear visibility and a secure fit for standard collector cards.
LARGER CARD
PREMIUM PROTECTOR
6.50 × 5.25 IN
FITS PREMIUM / CAR CULTURE
Designed with extra room for wider Premium cards.
TRANSPORT CARD
TEAM TRANSPORT
6.50 × 8.00 IN
FITS TEAM TRANSPORT SETS
Made for the wide-format cards collectors love to display.
TWIN PACK
2-CAR PACK
6.50 × 8.35 IN
FITS TWIN PACK / 2-CAR PACK
Purpose-built clear protection for Twin Pack and 2-Car Pack cards.
PRODUCT / BRAND VIDEO
BUILT FOR DISPLAY
Designed around the way collectors store, handle, and display the cards they value.
CREATOR VIDEOS
COLLECTOR TESTED
Short collector stories and real display setups.
COLLECTOR FEATURE
Real collector display
COLLECTOR FEATURE
DISPLAY SETUP
A collector's card wall.
COLLECTOR FEATURE
PACK OPENING
Protection ready for display.
COLLECTOR FEATURE
CARD CARE
Built for careful handling.
COLLECTOR FEATURE
SHELF TOUR
A closer look at the collection.
COLLECTOR REVIEWS
PROTECTED COLLECTIONS
What collectors notice when their cards are protected for display.
★★★★★
“These protectors are excellent for any mainline hotwheels! Came in earlier than expected and were very well covered in case of damage. 2nd time buying from OTK and have not been disappointed. Protectors are sturdy and lock very well foray of your mainline hotwheels needs. Highly recommend for all hotwheel collector enthusiasts !!”
DALTON, GA
★★★★★
“This was perfect! I bought this to make a makeshift hot wheel gift for my husband on his birthday. I ended up purchasing a hot wheel car he really likes and then printing out a picture the size of this box with him and my son and placed the hot wheel logo on it as if it was real hot wheel case with the car. He loved it and this case worked great!”
JEFFERSON, GA
★★★★★
“Well, I’d have to say this is probably one of the best card protector there is if not the best and I would recommend it to anybody very happy with the product. I’m sure I will continue to keep purchasing it to protect the little toys I have.”
MURFREESBORO, TN
★★★★★
“These protective cases are great. Value was a little pricey, but worth it. Product fit well. Size was spot on and very durable. Well made and close tightly. I would definitely buy from this seller again”
COTTEKILL, NY
★★★★★
“Great protectors for your hot wheels. Fit perfectly, are durable, and close easily!!!! Definitely will purchase again.”
ORLANDO, FL
SIZE GUIDE
CHOOSE THE RIGHT PROTECTOR
Match the card format before adding to cart.
PROTECTORSIZEFIT
MAINLINE6.50 × 4.25 INSTANDARD MAINLINE / MATCHBOX
PREMIUM6.50 × 5.25 INPREMIUM / CAR CULTURE
TEAM TRANSPORT6.50 × 8.00 INTEAM TRANSPORT SETS
2-CAR PACK6.50 × 8.35 INTWIN PACK / 2-CAR PACK
FAQ
COLLECTOR QUESTIONS
Helpful answers to help you choose the right protector for your collection.
Are OTK protectors compatible with Hot Wheels?
OTK products are compatible with Hot Wheels collectibles but are not affiliated with, sponsored by, or endorsed by Mattel or Hot Wheels.
Which protector fits standard Mainline cards?
Use the Mainline Protector for standard Mainline and Matchbox card formats.
Can I use OTK protectors for Premium cards?
Yes. The Premium Protector is designed around the larger Premium card format.
How do I apply for wholesale pricing?
Apply through our wholesale page. Approved accounts can access applicable case-based wholesale pricing and ordering options.