Cargo rules and limits
REF: SMP-GEN-2026-V1.3 · Hard limit: 2,500 g, maximum dimensions 40 × 30 × 12 cm
✓ Allowed
- Legal documents, powers of attorney, and apostilles
- Biometric passports for visa processing
- Car and apartment keys, RFID cards
- Passive microelectronics (CPU, RAM, SSD, boards) in anti-static packaging, without batteries
- Personalized T-shirts or hoodies, folded flat, up to two items
- Factory-sealed dry coffee or tea under 500 g
- B2B samples: fabric swatches, 3D-printed prototypes, CNC parts
✕ Strictly prohibited
- Anything over 2.5 kg or 40 × 30 × 12 cm
- Liquids, perfume, creams, or alcohol
- Perishable food
- Power banks or loose lithium batteries
- Medication, weapons, gold bullion, or cash
- Opaque packaging when the sender refuses inspection
Weight tiers
| Category | Weight | Examples |
| Tier 1 | < 500 g | Documents, passports, keys |
| Tier 2 | 500 g–2.5 kg | Clothing, coffee or tea, B2B samples |
All users verify their phone number before booking. Passport and biometric verification are outside the current phase.
See also the transparent STEB packaging protocol and the B2B sample workflow.