Chinese Red Envelopes in Colors - Pack of 50 in 3 Designs - Series 3 Pack of 51 Chinese Red Money Envelopes with 3 colorful calligraphy and designs - Bright Gold and Sharp Colors (17 each). wishes the recipient great fortune, luck, and happiness Presented during birthdays, weddings, or holidays, particularly the Lunar New Year Also known as Hong Bao, Lai See, or L X Each envelope measures 4 1/4 inches by 2 3/4 inches and seals by moistening the end flap of the envelope.