Used only once after purchase. I think it can be used by both men and women. For school camping trips, school trips, etc... Large capacity backpack Mountaineering Shipping will be folded. Please understand. - Backpack for school camping trips, suitable for 2 nights and 3 days to 3 nights and 4 days. - Capacity can be adjusted from 45L to 50L by opening and closing the side zippers. - Size: Approximately 50-60cm x 19cm x 47(h)cm - Capacity: Approximately 45L-50L - Weight: Approximately 785g Navy synthetic fiber backpack with multiple pockets for excellent storage capacity. - Brand: Alpine Design - Color: Navy, denim-like - Style: Backpack - Number of pockets: Multiple - Material: Synthetic fiber