JAM Paper 9x12 Open End Catalog Envelopes, Brown Kraft Manila, 100/Pack vs Blue Summit 13x18 Self-Seal Mailing Envelopes, 28lb Kraft, 50 pcs
Overall winner: Blue Summit 13x18 Self-Seal Mailing Envelopes, 28lb Kraft, 50 pcs
Key Differences
Blue Summit (B0D55GCZXX) offers larger 13 x 17.7 mailing envelopes in a 50-pack made from heavyweight 28lb kraft that holds up to 60 sheets and uses a strong self-seal adhesive, while JAM Paper (B08WRJ52W2) supplies standard 9x12 open-end catalog envelopes in a 100-pack with peel-and-seal closure and sturdy construction. Choose Blue Summit if you need larger, heavier-duty mailers and higher per-item durability; choose JAM Paper if you need more units of a common 9x12 catalog size
JAM Paper 9x12 Open End Catalog Envelopes, Brown Kraft Manila, 100/Pack
Open end catalog envelopes in brown kraft Manila with self-adhesive closure. Ideal for personal and business mailings and organization; customers note good quality, sturdy feel, and reliable seal
Pros
- Self-adhesive closure
- Brown kraft Manila color
- 9 x 12 inch size
- 100 envelopes per pack
Cons
- No explicit mention of recycled materials
- Only one size option listed
- No other closures beyond peel and seal
Blue Summit 13x18 Self-Seal Mailing Envelopes, 28lb Kraft, 50 pcs
Rigid kraft mailing envelopes with self-seal adhesive; holds up to 60 sheets of standard paper. Durable 28lb material resists tearing and puncturing, and seals without moisture. Customers note sturdy quality and reliable seal
Pros
- heavyweight kraft construction
- self-sealing adhesive, no moisture needed
- holds up to 60 sheets
- twist-free, sturdy seal
Cons
- dimensions listed as 13 x 17.7 may differ from standard 13x18
- manila color may show through for very light papers
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Blue Summit Supplies |
| Durability | Blue Summit Supplies |
| Versatility | Blue Summit Supplies |
| User Reviews | Blue Summit Supplies |