27Db Hearing Protector - Blue L1-Mathematics-L2-Number & Algebra-L3-Hundred Boards Book dimensions: 14

Book dimensions: 14

Base Stability - Fill with sand or water for added weight and stability

Flat Surface Required: For stability and safety

simply add a contrasting paper layer to create an eye-catching and cost-effective display frame for the classroom or home

27Db Hearing Protector - Blue L1-Mathematics-L2-Number & Algebra-L3-Hundred Boards Book dimensions: 14Our Hearing Protector Blue blocks out potentially damaging external noises by completely covering the outer ear with a noise reduction rating of 27dB. Fuller sized earcups are designed to completely cover the ears for maximum protection. Suitable for adults or children. Ideal for blocking noise caused by large crowds, airports, sporting events, garden and household tools, or any other troublesome noise or sound. Perfect for kids on the autism spectrum