Sandal size:
Feet Length 23.0 cm -23.5cm (choose Size 36/37)
Feet Length 24.0 cm - 24.5cm (choose Size 38/39)
Feet Length 25.0 cm - 25.5cm (choose Size 40/41)
Feet Length 26.0 cm - 26.5cm (choose Size 42/43)
Feet Length 27.0 cm - 27.5cm (choose Size 44/45)

Backpack size:
Materials: PU Leather
Size: 29 (L) cm X 28 (W)cm X 13 (D)cm (approx.)
*Please allow 1-2cm different due manual measurement