I'd go way bigger and bolder. You don't want any chance that they are going to miss it.
https://www.vfsglobal.co.uk/usa/user_pay_services.html#Settlement-priority-visa-service
Is this the recommend order of documents for the visa application package?
• Priority Receipt
• Biometric Receipt Confirmation
• Online application Forms with separate A4 sheet containing extended list of countries visited
• Appendix 2 (cat 3A)
• Visa Fee Receipt
• IHS Receipt
• Return Shipping Account information (DHL for outbound and inbound)
Applicant Information:
• Letter of Introduction
• Current passport and 2 copies (please return passport)
• Biometric card for Tier 2 visa
• Extended marriage certificate and 1 copy (please return original)
• Divorce Decree and 1 copy (please return original)
• 2 passport sized photos
Sponsor Information:
• Letter of Introduction
• Copy of Passport – Certified
• 2 passport sized photos
Financial
• Company Letter detailing length, type of employment and salary
• 6 months of Pay Slips – Certified
• 6 months Bank Statements – Certified where applicable
• P60 – Certified
• Original job offer and contract
Proof of Accommodation:
• Accommodation Details and Tenancy agreement
• Non objection letter from landlord
Proof of Relationship
• WhatsApp messages
• Photographs of relationship including wedding
• Train tickets throughout relationship
• Flight confirmation emails
• Joint bank account details