Features: Crafted from 300gms tear resistant paper, this set of 30pcs paper envelopes ( 5x7inch ) features sealing flaps and three card slots for secure, elegant mailing packaging in weddings and festival event. The reinforced thicker paper structure ensures durability during transit, while the 5x7Inch standardized size suit most letter, greeting card, invitation cards and documents. Designed for wedding planners, corporate professional, and meticulous gift givers seeks polished presentation for invitations, business correspondence, or luxury packaging. Elevates special occasion like marriage ceremonies, baby showers, bridals shower, anniversary celebration, or corporate galas while protecting delicate content from damage during handling and postal delivery. Black, white, or blue color adapt seamlessly to any event and creative themes, offering professional finish for holiday cards, promotional mailers. Specifications: Component: Paper Color: Black/Blue/White Size: Approx. 5x7inch /5.1x7.08in Weight: Approx. 850g Package Includes: 30Pieces Paper Envelopes note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color