They are made of silicone material, for use. -Note:suitable for 8-10mm straw. 10 Pcs Brake Pad Caliper Stainless Steel Spring Clip Retaining Anti-loss Pin. 5 Pairs Comfortable Silicone Ear Hooks Black for Eyeglasses Sunglasses Use.
This product would be ideal for individuals who frequently use plastic drinking straws and are looking for an eco-friendly, reusable, and durable alternative made from high-quality silicone.
