Size Dimensions (L × W × H) Suitable Dog Weight
S 30 × 20 × 3 in (76 × 51 × 7.6 cm) Up to 35 lbs (16 kg)
M 36 × 27 × 3 in (91 × 69 × 7.6 cm) Up to 65 lbs (29 kg)
L 44 × 32 × 3 in (112 × 81 × 7.6 cm) Up to 100 lbs (45 kg)

Fit Tip: Choose the larger size if your dog falls between sizes or prefers extra room to stretch out.

Note: Metric dimensions are approximate. Weight recommendations are for guidance only.