This is how I made my own t-shirt yarn and crocheted it into a yoga mat bag.
Yoga Mat Bags Spiritual Warrior – Shakti Warrior
Crochet Yoga Mat Carry Bag Pattern - The Burgundy Basket
MATERIAL:This yoga accessories bag 100% High Quality Canvas,8oz Cotton Canvas ,Fits Most Size Mats. Include 3mm / 4mm /5mm /6mm /10mm yoga mat.Yoga
Aozora Yoga Mat Bag Large Yoga Mat Tote Sling Carrier with Pockets Fits Mats with Multi-Functional Storage Pockets Light and Durable
RECYCLED MICROFIBER YOGAThis versatile yoga mat bag features an adjustable strap, extra pockets, and room to store mat and some extras.Lightweight and
YDL Yoga Mat Bag - Best For Travel To Studio Or Gym
bukastore Large Yoga Mat Bag for Women - Yoga Mat Carrying Bag - Tote Bag for Yoga Mat and Blocks - 100% Washable Cotton Canvas Fabric - (19.68 x 5.9 x 15.74 inches) : Sports & Outdoors
Mat Bag - ATMAN
Buy Yoga Bags atha® Yoga Store
Bernat Yoga Bag Pattern Pattern
Yoga Mat Bags Spiritual Warrior – Shakti Warrior