IMPORTANT NOTICE: THESE CUPS ARE STURDIER , HARDER and more RIGID than most other silicone cups. These cups are not recommended for Beginners and are preferred by Advanced Practitioners wanting to perform slow deep work. <br><br>The Cupping Warehouse Supreme Line of Cups have several different lines with different softness levels for varying cupping needs. Our Supreme Line of Cups each create different levels of suction. This is the Deep PRO 6065 Cups which are the original Cupping Warehouse Silicone cups designed for Healthcare Providers when needing a cup with the ability to provide super deep suction for slow deep tissue work. Our Deep PRO 6065 Cups provide one of the strongest suctions available in silicone cups, but to accomplish this, these cups have a a thick wall and a harder sturdy softness with our proprietary 6065 softness which requires more hand strength for maneuvering and creating suction but creates an unparalleled deep suction. These cups are preferred by Advanced Experienced Therapists performing Deep Massage Cupping, Sports Cupping, Rehabilitative cupping, Physical Therapy Cupping, Physiotherapy Cupping and used on patients/clients with stronger constitutions. Many Silicone Cup Manufacturers have similar appearances, but what matters most to therapists and self care users is the quality of the cup. Every user has different preferences. Know Your Cups! What style is right for you? Check out our Supreme Line of Cups <br><br> *Supreme Deep Pro 6065 - Super Strong Suction, Sturdy Cup requires more Hand Manipulation. (Preferred by Advanced Experienced Therapists) <br><br> *Supreme Intermediate Pro 5560 - Medium Suction, Softer Cup requires less hand manipulation and easy to maneuver. (Preferred by Therapists and Self Care Home Users)