#3 Nylon Coil Standard Zipper is 3mm across the closed coil & 1-1/16" wide side to side. Small, flexible but very strong.
Zipper heads (the part that opens & closes the tape) stocked in:
Shorts = the head or body is an auto-lock, or stops on the tape when you quit pulling, with a 5/8" long rectangular tab or pull. Best for pillows, duvet covers, little pouches & bags.
Colors will vary from monitor to monitor. The "Samples" give you a 5" strip of zipper tape plus a header with color name & number.