ALL KNOBS ARE "MADE-TO-ORDER". Therefore, It can take up to five business days to process your order. Once your order has gone to processing, it cannot be cancelled. Standard 1-inch-long screws are included. If you have thicker/thinner furniture, you may need to purchase longer/shorter screws. Knobs are NOT spherical or ball-shaped. Knobs are NOT hand painted. The knobs are white ceramic. The image is applied to the knob using the decoupage method. Great for use on dressers, cabinets, closets, desk drawers, tables and more. Simple to install and great to quickly change for seasons, holidays, parties, etc. To clean, simply wipe with a damp cloth. Do not submerse in water. Not dishwasher safe. All orders are shipped through the United States Postal Service with tracking included. INDOOR USE ONLY. WE ACCEPT CUSTOM ORDERS. Shipping will automatically combine - be sure to place all items in your shopping cart before checking out.