1. PRODUCT CONTENT: 30 PCS dividers in 6 colors with a bonus marker, 5 PCS each color. Each divider measures 2 x 5.4 inches, inner hole measures 1.4 inches in diameter, the thickness is 0.08 inches. Flat packaged in the thick cardstock box for safe shipping. 2. WRITABLE & REUSABLE: An erasable water-based marker can help you get the labeling job done easily. You could write any classified signs like SIZE, COLOR, BRAND, NEW ARRIVALS, etc. Black signs are clear and permanent on the flat surface. 3. PREMIUM QUALITY: Sufficient quantity of closet dividers are made of premium PVC particles, designed with a slotted opening for easy installation. Non-toxic, elastic and durable. We make perfect adjustment for hardness to ensure you could easily install dividers onto the rack without fear of breaking them. 4. EASY TO USE: Rectangle shaped divider don't flip around unless you hit them. You could write on it and rub the wording really hard and it doesn't smear at all. Try to start building your closet storage system and get organized right away.