The same square backpack bag has a separate link to buy it.

Pet Trolley Luggage / Pet Travel Trolley Square Bag

Multi-purpose, Universal Wheel Trolley Bag, Duffel bag, Handbag, Car bag.
Mute and wear-resistant universal wheel.（ There are 5.）
The backpack folds up thin and is easy to store.
Suitable for cats, fat cats and dogs.
A travelling castle for heavyweight pets.

The backpack folds up thin and is easy to store.

The backpack is only 8cm thick when folded.
The trolley can be used on its own to transport heavy items such as cat litter and parcels.

Reinforced all-aluminium tie rods.

Three height-adjustable sections.
Reinforced all-aluminium tie rods.
Stronger support, more stable, durable, not easy to shake, not easy to break.
Delicate thickened trolley bar easily withstands 20 pounds of weight.

Mute and wear-resistant universal wheel. (There are 5)

Mute and wear-resistant universal wheel.
360° Super flexible steering;
Adapts to a wide range of road surfaces;
Quiet and won't disturb pet babies.
There are five scroll wheels on the bottom to control the direction more conveniently.

The 8 ventilation holes on the top and the large mesh window on the front create air circulation.

Roller shutter fixing velcro.
Dual purpose roller blinds that can be rolled up or covered.
You can also lower the curtain when it's cooler.

Built-in anti-breakaway safety lock.

Thickened padded cotton, mesh breathable shoulder straps.
Backpack straps with anti-sag drawstring.
The tote is also convenient and comfortable.

Multi-purpose,

Universal Wheel Trolley Bag, Duffel bag, Handbag, Car bag.

Product information

【Name】: Pet Trolley Luggage / Pet Travel Trolley Square Bag / Pet Outdoor Trolley Square Bag
【Origin】: Zhejiang, China
【BRAND】: PETSEEK
【Material】: Polyester / EVA / PET (Clear Sheet) / All Aluminium (Trolley)
【Color】: Agate Grey，Light Peachy Pink
【Specification】: Before folding: 36*30*40cm; After folding: 8*30*40 cm
【Weight】: 1.3kg (Pet Bag), 1.33kg (Trolley).
【Features】: Multi-purpose, Universal Wheel Trolley Bag, Duffel bag, Handbag, Car bag. Large space. Accommodates two cats. Trolley can be used separately; Can be used with other pet bags; Suitable for cats, fat cats and dogs. Pet Bag Foldable, 80 per cent volume reduction.
Storage is very easy; With 5 universal wheels on the bottom. Hand-push controls are more convenient. Mute and wear-resistant universal wheel. Built-in anti-breakaway safety lock. Beautiful, breathable and practical.
【Applicable objects】: Domestic pets, cats, dogs, foxes, etc.; Cats (up to 18kg), Dogs (up to 12kg);