XXS fits 4" through 6" snug neck circumference (3/8" wide)
XS fits 6" through 8" snug neck circumference (3/8" wide)
S fits 8-1/2" through 9-1/2" snug neck circumference (3/8" wide)
M fits 9-1/2" through 11-1/2" snug neck circumference (3/8" wide)
ML fits 11-1/2" through 13-1/2" snug neck circumference (1/2" wide)
Large 13" through 14-1/2" snug neck circumference (3/4" wide)
Extra Large 15" through 16-1/2" snug neck circumference (3/4" wide)
1XL fits 17" through 19" snug neck circumference
19" through 21" snug neck circumference
21" through 23" snug neck circumference
XS fits a 5-1/2" through 7" snug neck circumference
Small fits 7-1/2" through 9-1/2" snug neck circumference
Medium fits a 10" through 12" snug neck circumference
**Cat Safety Collar will have a bell, elastic connection, but no rhinestone buckle.
PLEASE WRITE THE SNUG NECK CIRCUMFERENCE (TAKE A TAPE MEASURE & MEASURE THE NECK SNUGLY WITH NO FINGERS UNDER THE TAPE MEASURE. I WILL ADD EXTRA SPACE AFTER THAT MEASUREMENT) IN YOUR ORDER NOTES SECTION.