1- Larygectomy foam covers to place over stoma, to prevent dust from entering the lungs.2- Each Foam Cover can be used once.3- Inch size: 21/2 x 21/2 x 1/8 inch4- Metric size: 65mm x 65mm x 4mm5- Two adhesive strip on inside top and bottom to secure to skin.6- Color: Peach like color.7- You receive 30 foam covers.8- Breathable stoma foam cover.9- Foam Filters ship same day from Largo Florida, get it quick.10- These Stoma Filters come with 2 strips of adhesive, we also carry one adhesive strip. Directions: Before placing adhesive on skin area must be cleaned with soap and water, being careful to not let any drip into stoma, after it dries use a little alcohol on cotton or towel to clean area where adhesive will be placed, again, be very careful to not let any drip or fall inside stoma, let alcohol also dry before sticking foam to skin.