20 12x15.5” Poly Mailers & 50 clear thank you bags Fast and Easy adhesive strip - Easily close and ship your envelopes, no licking or water needed Pressure sensitive adhesive provides a high strength durable closure, water and dirt resistant High-efficiency mailers are perfect for shipping a wide variety of non-fragile items. Heavy-Duty Weather, Tear, and Puncture Resistant - won't bust or break open, even if over-packed. 50 pieces thank you rose flower printed self-adhesive bags, lovely and charming appearance. Packaging bags-- for little surprise gifts