Description
About this Product
SPECS
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Dimensions: 21 x 30 cm
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Length: 21 cm
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Height: 30 cm
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Opening: 14 cm
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Material: 100% Recycled Paper
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Weight: 150 g/m²
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Thickness: 0.300” ≈ 7.62 mm
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Closure Type: Self-adhesive Flap
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Adhesive Type: Hot Melt
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Adhesive Activation: By Pressure
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Bubble Size: 5 mm
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Model: #2
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Color: Yellow
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Units: 100 Envelopes
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Recyclable: Yes
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Features: Easy-open strip
 
DESCRIPTION
The 21 x 30 cm Yellow Bubble Mailers - #2 are a reliable and eco-friendly choice for protecting your shipments. Crafted from sturdy 100% recycled kraft paper with a 5 mm bubble lining, they provide excellent cushioning against impacts and damage during transit. The self-adhesive flap with hot melt glue guarantees a secure, tamper-resistant seal, while the easy-open strip allows hassle-free unboxing. Lightweight, durable, and recyclable, these envelopes are perfect for shipping documents, photographs, small products, and other fragile items with confidence.
HOW TO USE
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Select an envelope that fits the size of your product, leaving enough space to seal securely.
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Place the item inside, ensuring it is centered and cushioned by the bubble lining.
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Remove the adhesive strip from the flap and press firmly to create a secure seal.
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Label the package with the recipient’s details and hand it over to your courier service.
 
About Our Products
1. Measure the product (length, width, height) with enough space for padding or protection.
2. Search our catalog for the box with suitable internal dimensions.
3. If you need advice, our Sales team can guide you.
Yes. We carry plain corrugated boxes in most categories (white, regular, and tabbed). For custom sizes, please contact us to review minimum availability and production times.
Yes, we're constantly adding more sustainable options. Visit our Eco-Friendly Packaging Collection to see environmentally friendly boxes and materials.
• Bubble Mailers: These have an inner layer of bubble wrap that protects fragile and lightweight items. Ideal for electronics or small fragile items.
• Rigid Envelopes: Made with cardboard or a hard material that prevents bending. Perfect for documents or items that don't need to be folded.
White and regular kraft boxes have the same strength if they share the same gauge (single corrugated). The choice is usually more about aesthetics or presentation. White boxes tend to give a cleaner or more premium appearance, while kraft boxes offer a natural, rustic look.
Compatible with All Major Couriers
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