As a beginner you want a hulahoop that helps you getting into waist-hooping at the first place. Therefore we advice you a hoop that is quite big. Think diameter 95 or 100 cm. Thicker tubing such as 25 mm HDPE you actually feel while trying. As every push is quite strong due to the weight of the hoop. You can order almost any hoop is the Basic & Sparkly section of our website and select your options.