Gives user a portable atmospheric chamber when working with dangerous liquids. Easy to use simply inflate and use. Made from high-clarity polyethylene film which can be sealed, purged and inflated. Individually packed, including sealing tape. Ideal for use when risk of dangerous fumes is present. Available in multiple sizes including versions where two or four hands can be used. Warning: do not use for handling toxic materials except in a hood or other controlled system to prevent and protect against exposure resulting from leakage.