S = 50 pieces M = 60 pieces. This set features 10 unique paper bookmark designs showcasing adorable sea otters-vividly capturing their playful and heartwarming moments as they swim, read, and rest. They infuse your daily reading routine with a delightful splash of marine-inspired charm, adding a touch of fun, creativity, and visual delight to every page. Crafted from sturdy, durable material, these bookmarks are built to withstand frequent daily use while effectively protecting your book pages from damage. Abundant Supply, Perfect for Sharing: The complete set includes 50 paper bookmarks, comprising 10 distinct designs with 5 pieces of each style. It is an ideal choice for book clubs, reading group gatherings, or personal collections, making it easy for you to share with friends and family, or to mark pages across multiple books you are currently reading. Weight: 0.33 lbs.