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Custom Drawstring Backpack Bags Small Middle Size Personalized G


Custom Drawstring Backpack Bags Small Middle Size Personalized G


Product description

Color:Black 2  |  Size:Medium(42x50cm)

Printing Instructions Full-Width Product, Single-Sided Printing
Material Description Polyester (Polyester Fiber)
Product Performance It Is Made Of High-Density, All-Polyester Fine-Bead Polyester Fabric, Which Is Light And Strong. The Black Polyester Cloth Fixed On The Back Is Stain-Resistant And Has A Sense Of Fashion Brought By The Contrast. The Woven Drawstring Is Strong And Durable, And It Is Not Easy To Fall Off. Drawstring Design: It Is Very Convenient To Open And Close, You Can Take The Internal Items Well, You Don’t Need To Worry About Losing Items, It Is Very Convenient, You Can Also Adjust The Length Of The Shoulder Strap By Yourself, Just Tie A Knot Under The Rope, This Style The Biggest Feature Is That It Is Durable And Lightweight, It Is Compact And Does Not Occupy A Place When Folded, It Is Convenient And Practical To Travel, And It Can Also Be Printed With An Exclusive Logo Design On Group Activities. It Is A Good Gift For Friends And Relatives.
Applicable Scenarios It Can Be A Fitness Backpack Or Schoolbag; It Is Very Suitable For Sports, Fitness, Yoga, Travel, Etc.; It Is Light And Portable, And Can Be Folded At Any Time Without Occupying A Position.
Accessories Structure One Main Pocket
Washing Instructions It Can Be Hand-Washed Or Machine-Washed.
Instructions For Use The Drawstring Design Can Be Opened By Pulling Both Ends Of The Rope, And The Pocket Can Be Tightened By Pulling The Two Ends Of The Rope.

Custom Drawstring Backpack Bags Small Middle Size Personalized G

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What are Diatoms?

Diatoms are single-celled algae that live nearly everywhere there is water - streams, ponds, lakes, oceans, and even soils.

For practitioners

Identification Guide


Classification information, citations, links and species listings for 165 genera completed to date.

Guide to genera
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Identification guides, original descriptions, citations, autecological information and more for 1007 species and growing.

We encourage new contributors to submit taxon pages.

This project depends on many people to document the diverse diatom flora of streams, rivers, wetlands, lakes, springs, soils, estuaries and coastal zones.

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WEBINAR: Keeled diatoms

Description: Keeled diatoms refer to a broad, informal morphological group of taxa with raphes in a canal often raised on a keel. But what is a keel?...

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Diatoms of North America has been developed in part with the generous funding and support of US EPA, USGS, the Institute of Arctic and Alpine Research at University of Colorado Boulder and other organizations.