About "Fiberglass Reinforce Plastic" Material: Fiberglass Reinforced Plastic (GFRP) is a composite material made of a polymer matrix reinforced with fibres of glass,it is a lightweight, extremely strong and robust material.So this mask is good toughness,lightweight,stronger hard,corrosion resistance,weatherability,non-conductive. About Reaper Black Mask: This Grimmjow Reaper Mask are made by high-grade fiberglass reinforce plastic,vivid painting,the better workmanship,hand-made and comfortable,no smell.Perfect for Airsoft, Hunting, War Game, Masquerade Parties, Gifts, Costume Parties, Carnival, Christmas, Easter, New Years Eve Party, Halloween, etc. Products Feature: Details:Eye Protection constructed of high grade wire mesh to stop BB Penetration. Include Comfortable Cushion Pads Around in Mask. Type:Fiberglass Reinforce Plastic Airsoft Cosplay Mask Brand Name:Gmasking Occasion:Airsoft,Hunting,War Game,Decoration,Gifts,Halloween,Carnival,Christmas,Easter,Party,Cosplay,Collection etc. Model Number:GM886 Mask Material:High Strength Fiberglass Reinforce Plastic Size:Fit Most Face Color:As the Picture Show Weight:About 500g Package Included: 1x Kurosaki Kun Paintball Mask