Exploratorium Optical Illusion Masks

Exploratorium Verified independent store

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Show your unique style with the Exploratorium optical illusion mask. There are four different designs to choose from: cafe wall, double diamond, harlequin, and time warp. Mask is t wo layers with a filter pocket. Cotton-Polyester blend. One carbon fiber filter is inserted into the mask. The filter is replaceable—adjustable ear loops. One size fits most. Machine washable. General use mask, not for medical use. Please note that for hygienic reasons, masks are final sale and cannot be returned or exchanged. Show more