This Xl double sleeping bag unfolds to 87 x 63 inches, comfortably accommodating two adults or a family. It features an adjustable 3-season design: a double cover for spring and fall, a single facecloth cover for summer, and a four-layer winter setup. Ergonomic elements include two soft pillows and a spine-aligned sleep design. Constructed from splash-proof 210T Pongee fabric, it incorporates plaid flannel lining, 300g/㎡ and 100g/㎡ hollow cotton filling for customizable warmth. The backpack-style storage bag ensures easy portability, making it ideal for camping, hiking, or traveling.