Let It Glow, Let It Glow, Let It Glow. Our Holiday Jewel Collar Charms are especially delightful, adding a festive sparkle to any dog's look. Favorite holiday motifs glitter with rhinestones in a dazzling array of color. Lobster claw clasps make them easy to attach to any collar or pet necklace. Candy Cane, Snowman, and Tree designs measure 1 1/4"H. Snowflake design measures 1"H.