1) Product Overview
+ Product name: Mood Painter – protective helmet for children with a paintable/erasable surface.
+ Purpose: Help children unleash their creativity every day by drawing, writing, and decorating directly on the helmet with a washable pen. Every time they go out, children can create a completely new style while still ensuring safety when riding a bicycle, scooter, or walking.
2) Size & Form
+ Head circumference: 50 – 54 cm (standard for children 6–10 years old).
+ Length (forehead → nape): 24 – 26 cm.
+ Width (ear → ear): 18 – 20 cm.
+ Crown height: 13 – 15 cm.
+ Foam pad (liner): 1.5 – 2.0 cm thick, air cavity Ø 0.8–1.0 cm for ventilation.
+ Target weight: 220 – 260 g (including paint and clear coat).
+ Surface: clear coat +0.2 mm to protect the washable paint layer, prevent scratches and increase gloss.
3) Materials
A. Outer shell
+ Polycarbonate (PC) in-mold or ABS hardshell.
+ Washable paint layer (washable paint) water-based, non-toxic pigment, meets EN71-3 standard (toys safety).
+ Clear coat layer protects against water, withstands at least 500 wipes/erases without fading.
+ UV-stable coating to prevent yellowing when exposed to sunlight.
B. Impact absorbing layer (Liner)
+ EPS (Expanded Polystyrene) density 40–80 kg/m³, thickness 15–30 mm.
+ Multi-chamber design enhances impact absorption.
C. Inner padding (Comfort pads)
+ CoolMax or bamboo-blend fabric absorbs moisture, is antibacterial, removable and hand-washable.
D. Retention system
+ 12–15 mm nylon cord, polyacetal/nylon side-release buckle.
+ Ratchet dial adjustment ring or simple zipper mechanism for economical version.
4) Safety & Features
+ Marker: only use EN71-standard water-based markers, do not contain toxic solvents, easy to wipe with a damp cloth.
+ Clear coat: waterproof, scratch-resistant, maintains gloss after at least 500 wipes (tested with Taber grinder).
+ All materials in direct contact are certified non-toxic, safe for children.
+ The surface can be completely wiped clean after each drawing, leaving no permanent stains.
5) Testing & Standards
+ Impact test: free fall on flat anvil/kerbstone according to EN1078 or TCVN 5756:2015.
+ Retention system & strap strength: test the strength of the strap and buckle.
+ Surface chemical test: according to EN71-3 to ensure that the paint and clear coat do not contain heavy metals.
+ Washability test: test the ability to be wiped clean and the color fastness after many cycles.
6) Lifespan & Warranty
+ Recommended period: replace after 3-5 years or after a strong impact.
+ Paint/clear coat: maintains the ability to draw/erase for at least 3-4 years with normal usage (gloss gradually decreases over time).
+Warranty: 12 months for helmet shell and painted surface (peeling, cracking due to manufacturing defect).