Yoption Breathable Mesh Single-Shoulder Outdoor Pet bag, Travel Tote Sling Carrier Backpack for Puppy Pet Dog Cat Product Dimensions: 38cm(Length)x 20(Width)cm. The opening round: 10cm Single-shoulder. Size Small. Suitable for Small pets, dogs, cats that within approx. 3kg. Material: Mesh fabric and leather. Fine workmanship, durable and beautiful outlook. Super wide mesh shoulder strap, soft and comfortable. The buckle design inside the carrier can connect with pet's collar which will prevent pet get out, to protect the safety of pets.