The bottle opener is a really nice, heavy weight. The map is 1.2" round and protected and magnified by domed glass. The bottle opener itself measures 3.4" x 1.5".
The opener shouldn't be submerged in or exposed to water.
Interested in a custom bottle opener? https://www.etsy.com/listing/85661690/bottle-opener-custom-vintage-map-you?ref=shop_home_active