That sounds like a Fantastic Aimerday Non Slip Yoga Mat 

Features: 

• Material: TPE (Thermoplastic Elastomers) is known for being eco-friendly, non-toxic, and recyclable.
• Thickness: 1/4 inch (about 6mm) provides ample cushioning for joints and is great for various types of workouts.
• Size: 72" x 24" is a standard size, providing enough space for most users.
• Non-Slip: Ensures stability and safety during workouts.
• Lightweight and Portable: Easy to carry around, especially with a carrying strap included.
• Durability: High-density mats are often more durable and long-lasting.
• Design: Premium prints can add a touch of personal style to your workout gear.