Good performances: These hair perm rods are durable and can create glamorous wool rolls. These perm sticks are easy to use with the perm potion. Wide usage: These perm rod rollers have 5 different bright colors, they are not only fit for home and salon using, they are also good gifts for friends. Specifications: Material: plastic Size: 6.1 inches in length and 0.24 inches in diameter Color: pink, green, yellow, blue, purple Package includes: 40 x Spiral perm rods