Stainless Steel Material: the can opener is made from quality stainless steel material, sturdy and reliable, not easy to break Don't worry about losing: there is a hole in each portable can opener, so you can hang it on a key ring or chain, and it 't be lost easily when you are travelling or going camping as it's small Package Including: the package includes 12 pieces of can openers in 2 styles, each style has 6 pieces, abundant quantity and styles can meet your daily using needs Suitable Size: our p38 and p51 can opener have reasonable sizes, the openers have 2 sizes, . 5.1 x 1.8 x 1.5 cm/ 2 x 0.7 x 0.6 inches and 3.8 x 1.2 x 1.5 cm/ 1.5 x 0.5 x 0.6 inches; so please confirm size details before your purchasing Applicable occasions: these camping can opener tools are suitable for outdoor camping hunting and fishing trips, and you can take them with confidence because they are convenient and reusable