It does not have a size on it but I guess XS 
Lay flat unstretched waist is 10 inches
Colorful Tropical design 
I only wore once, excellent condition 
And you can’t find this one anymore 
The Mika Wear Celeste Yoga Legging features a peak-a-boo cut-out design down each leg and a flattering stretch waistband. These leggings are also made of eco-friendly, non-toxic dyes so you can be sure you are being environmentally responsible while looking great. 
Features
* Wash with like colors. For best results, hang dry or tumble low. Do not wash with towels.  
* Designed for yoga, aerial silk, running, gym, feeling like wonder woman.
* Best for low to high intensity.  
Details
* Fabric: 92% Polyamide, 8% Elastane *Black Celeste fabric is eco-friendly, biodegradable & non-toxic dyes are used in production
* Color: Solid
* Style Features: Cut out sides, seamless waistband
* Fit: Compression fit, sleek fit, stretch
* Rise: Mid-rise
* Inseam: approximately 30" inseam 
* Length: Below ankle
* Adjustable: no
Stretchy
Unique
Active
Athletic
Sports
Bright
Bold
 They accentuate your legs with cuts to the thighs making them perfect for your practice or to use when you want to add a bit of excitement to your life.You will not really find these leggings anywhere else! The fabric is amazing, extremely high quality as well as comfortable in all its shape. Leggings hug your body gently allowing you to spin, dance, spin and practice freely in any activity!