Lululemon Adjustable Yoga Mat Bag This durable, water-repellent Lululemon Adjustable Yoga Mat Bag ($68) is ideal for every serious yogi. The main compartment fits extra-long or wide yoga mats, while a side pocket stores your water bottle, keys, and wallet. Plus the strap is adjustable. Image Source: shop.lululemon.com Lululemon Adjustable Yoga Mat Bag $68 from shop.lululemon.com Buy Now