A silicone mask for use this a spacer. This large mask is suitable for older children and adults. The e-chamber Mask is made of silicone and is structured to provide a good quality seal, yet not collapse easily, or to be too rigid. This large mask is suitable for older children and adults. The e-chamber Mask is suitable for people with allergies and intolerances to BPA and latex. The support ridges on the mask offer superior strength against collapsing and warping over traditional BPA and latex masks.