<ul><li>LIFETIME WARRANTY CERTIFICATE: These marbles come with a Lifetime Warranty Certificate. This certificate is included with each sale. Please refer to images of what you will be sent.</li><li>Set includes 2 Solid glass marbles, each is 1 3/8" (35mm) in size.</li><li>Unique gray marbles with swirls of green and steel blue</li><li>Beautiful addition to any collection</li></ul><br><br>Set of 2 THUNDERBOLT boulders. Unique gray marbles with swirls of green and steel blue. LIFETIME WARRANTY CERTIFICATE included

Big Game Toys~Set of 2 Thunderbolt 35mm Boulder Gray/Green Swirl Large Shooter Solid Glass Marbles Home Decor/Vase Filler/Aquarium