Feature: 1. PERFECT FIT: The case for kids 3D pen kit is also suitable for 3D printing supplies refill, the color is cyan, match with 3D printing pens, simple and good looking. 2. FULL PROTECTION: The case for 3D printing pens is made of hard EVA material, shockproof and drop proof, protects the 3D pen kit from any damages, waterproof and dustproof, keep the kids 3D pens dry and clean during daily use. 3. RATIONAL DESIGN: 3D pen and filament organizer with fluent zipper for easy opening and closing of kids 3D pens, internal mesh pocket for expanding storage space for collecting 3D pens and 3D starter refill kits, micro USB cables, easier to find and use and not easy to lose any part of the 3D printing accessories. 4. SUITABLE FOR: Kids 3D pen kit storage holder with customized grooved base that fits 3D pens perfectly, two elastic straps hold the 3D printer tool tightly in its place, won't move or shake, can effectively protect the 3D starter pens in different occasions of travel. 5. PORTABLE AND COMPACT: The 3D pen case comes with a detachable hand strap that can be taken to school, kids birthday party or traveling, you can start creating with the 3D pen anytime, anywhere, kids' creativity and inspiration are not limited by place or time, it's a perfect gift idea for 11 years old boys and girls, you can give it to your kids as a Christmas, Birthday or Children's Day gift. Specification: Item Type: 3D Pen Case Product Material: EVA Color: Cyan (Gray Inside) Compatible Devices: 3D Pen, Printing Supplies Refill Kit Holder, USB Cable and Other Accessories Size: Approx. 17.8x8.4x5.6cm / 7.0x3.3x2.2in. Package List: 1 x 3D Pen Case Note: 1. Product includes case only, 3D pen and accessories are not included.2. All data are measured manually, and there are certain errors in the measurement results.