Very water resistant. Sold by the case of 4 tubes. Each tube costs only $4.49. Availability: Usually ships the next business day. NA1568$17.96 Free shipping over $100.00 http://www.bulkforcheap.com Important Notice to all our customers: Our shipping department will be closing on Friday, June 30th and will reopen on Monday, August 9th. All orders placed by Thursday, June 29 1:00PM EST will be shipped. Orders placed after that will be shipped on Monday August 9th.