Great for storing and organizing! Comes with 5 unique sizes and shapes, each individually packaged in reusable storage containers. These screw-bottom containers feature a 5-tier pack (560 Round & Oval Black wiggle eyes) in the following sizes: 5mm x 288 Pcs (Round), 7mm x 144 Pcs (Round), 10mm x 72 Pcs (Round), 15mm x 36 Pcs (Round) & 20mm x 20 Pcs (Oval).