◈ Fully Open Size: 18.90inchs * 9.84inches/250mm ◈ Closed Size: 2.56inches * 9.84inches/250mm ◈ Adjustable Height Range: From 2.56 to 18.90 inches. 12 positions can be choosen ◈Material: Modified Plastic HIGHLIGHTS: ◈ Newly designed Fish scale structure thickens the clasps/snap joints to make the stool more sturdy. ◈ The selected material not only makes it durable against all kinds of weather and using environment, but also makes the body surface glossy and beautiful. ◈ The retractable stool is portable, lightweight, small and compact to put into your luggage. HOW TO USE: Step 1: To open, grab the ends and pull apart to your desired height. Step 2: Twist clockwise until claps click into place to lock the height. Step 3: To unlock the stool, grab the ends, slightly pull apart and twist counterclockwise.