Dog Collar Size:

S Width:20mm (0.79 inch)  Neck: 20cm - 29cm(7.87 in  11.4 in)

M Width:20mm (0.79 inch)Neck:27cm - 41cm (10.62 in -16.14 in)

L Width: 25mm (0.98 inch)   Neck: 33cm - 52cm (12.99 in - 20.47 in)

XL Width:25mm (0.98 inch)   Neck: 37cm - 60cm (14.56 in - 23.62 in)

Dog Leash Size:

S Width:20mm (0.79 inch)  Length： 120cm (47.25 in)

M Width:20mm (0.79 inch)  Length： 120cm (47.25 in)

L Width: 25mm (0.98 inch)   Length： 150cm (59.06 in)

XL Width: 25mm (0.98 inch)  Length：150cm (59.06 in)

Harness Size:

S Width: 20mm (0.79 inch)Neck:19cm-29cm(7.48in-11.42in)Chest:22cm-35cm(8.66in-13.78in)

M Width:20mm (0.79 inch)  Neck:27cm - 41cm (10.62 in -16.14in) Chest :31cm-59cm(12.2in-23.23in)

L Width:25mm (0.98 inch)  Neck:35cm - 55cm (13.78 in -21.65in) Chest :40cm-75cm(15.75in-29.53in)

XL Width:25mm (0.98 inch)  Neck:42cm - 70cm (16.54 in -27.56in) Chest :49cm-90cm(19.29in-35.4in)