Doglemi Pet Outing Backpack Dog Shoulder Chest Bag Breathable Mesh Dog Cat Bag, Size:L(Blue)1. Size: M L 2. Length: M is about 38 cm, L is about 43 cm 3. Width: M is about 21 cm, L is about 24 cm 4. Bust: M is about 48 cm, L is about 64 cm 5. Left and right foot gap: about 6 cm 6. The gap between the front and rear feet: M is about 14 cm, L is about 16 cm 7. Weight: M is about 330 grams, L is about 370 grams 8. Suitable pet weight: M is about 0 4 kg, L is about 4 10 kg 9. Material: waterproof Oxford cloth + nylon cloth + mesh cloth 10.