These 4" x 5-1/2" Bubble Pouch Tube Protectors have two compartments that will each hold one blood collection tube. A peel and seal flap keeps the tubes securely in place. Offered in sets of 100.
For more detail: http://www.sirchie.com/products/physiological-specimen-dna-collection/blood-collection-tubes-accessories/bubble-pouch-tube-protectors-set-of-100.html#.V0aFyDV97yF
