mlnyitus Flexible Helmet led Light Decorations led Lights Flexible Cosplay DIY kit Decorations RGB Superhero for Men Gifts Pink Cartoon Fire Hose. Optional large size: 3'' x 1. 08'', thickness 2 2. 3mm, LED around 2. 3mm (effective light emitting size 2. 75'' x 1. 08''), LED approx: Luminous plate size: 3'' x 1. 08'', thickness 2 2. 3mm. (Effective light emitting size 2. 75'' x 1. 08'') Due to the difference of material and hard board, the brightness is slightly lower than hard board, and the uniformity is not as good as hard board, if you have higher requirements for brightness and uniformity, please choose hard board, This product is DIY and accessories, players need to have some hands on skills, DIY, non professional production, perfectionists please detour, please read carefully before shooting the use of baby features and descriptions, if you do not understand the place please consult the owner, do not blindly place an order,