Description: Model Number: GHI-IL-204041 Brand Name: Big breathe Place Of Origin: Busan, South Korea Product name: Bigbreathe IMT Low(Green) Size: 3.1 * 5.5 inch Weight: 45g Material: ABS, PP Color: Green Usage: Adult or higher Shape: Circular column Feature: Breathable, light, portable, adjustable Function: broaden lung capacity, breathing exercise, inflate sports effects Keywords: daily exercise, indoor exercise, outdoor workout, breathing training Selling Units: Single item Location: korea