YOUMIAN Travel Backpack Carry On Backpack Durable Convertible Duffle Bag Fit for 15.6 Inch Laptop for Men and Women hiking airplane shoes bag extendable three way uses multiple

Product size: Normal SIze 45L(No Expandable) :33X24X57CM / 12.9X9.4X22.4 IN(L x W x H ). weight:1.8kg(3.9Lb). Large 60L(Expandable ):33X(24+7)X57CM / 12.9X(9.4+2.8)X22.4 IN(L x W x H ). weight:1.8kg(4Lb). Extra Large 65L(No Expandable): 37X26X66CM / 10.5X14.5X26 IN(L x W x H ) . weight:1.7kg(3.7Lb).
2. Large capacity design: Clothes, mobile phones, wallets, shoes, umbrellas, laptop, water cups, and other personal items may also be put in. Separate laptop compartment. Large 60L and Normal size 45L fits in Mountain climbing day-to-day use Commute Airplane Carryon Camping has separate shoes bag. Extra Large（65L) size has more storage space than Large size and Can be utilized for Mountain climbing Camping long-distance Commute or Winter Sports Snowboarding (larger shoes bag can fit in snowboarding shoes/helmet…)
3. Strong and durable: Made of high-quality polyester fabric, lightweight water-resistant, wear-resistant, and scratch-resistant, Metal pull head, the zipper may be very smooth and durable.
4. Can be utilized in sports, fitness bags, swimming bags, cycling bags, climbing bags, and Mountain climbing bags, Suitable for different scenes.
5. 45L and 60L versions have one sling strap It Can be utilized as a shoulder bag or backpack. 65L Version Only Can be utilized as a backpack. These sizes all have 2 or 3 handles which might be easy to make use of.