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

CategoryWeightExamples
Tier 1< 500 gDocuments, passports, keys
Tier 2500 g–2.5 kgClothing, 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.