The APE OBSLEEVE® is manufactured by a company that has been making sleeves since 1976. Made with strong seams! High quality at an affordable price. Easy to put on with 1/4" overlap to open sleeves. Vets like how they fit their arm. Packaged in a resealable bag. Made in the USA. 1.25 Mil, 35" length. The sleeves in the picture are the blue ones.